diff --git a/packages/babel-parser/src/plugins/typescript.js b/packages/babel-parser/src/plugins/typescript.js
index b5d26fc300..6b3a6809e7 100644
--- a/packages/babel-parser/src/plugins/typescript.js
+++ b/packages/babel-parser/src/plugins/typescript.js
@@ -79,6 +79,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       return (
         !this.hasPrecedingLineBreak() &&
         !this.match(tt.parenL) &&
+        !this.match(tt.parenR) &&
         !this.match(tt.colon) &&
         !this.match(tt.eq) &&
         !this.match(tt.question)
diff --git a/packages/babel-parser/test/fixtures/typescript/class/constructor-with-modifier-names/input.js b/packages/babel-parser/test/fixtures/typescript/class/constructor-with-modifier-names/input.js
new file mode 100644
index 0000000000..5caeeca38c
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/typescript/class/constructor-with-modifier-names/input.js
@@ -0,0 +1,4 @@
+class Foo {
+  constructor(set, readonly) {}
+  constructor(set: any, readonly: boolean) {}
+}
diff --git a/packages/babel-parser/test/fixtures/typescript/class/constructor-with-modifier-names/output.json b/packages/babel-parser/test/fixtures/typescript/class/constructor-with-modifier-names/output.json
new file mode 100644
index 0000000000..24aeccd1b0
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/typescript/class/constructor-with-modifier-names/output.json
@@ -0,0 +1,327 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 91,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 4,
+      "column": 1
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 91,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 4,
+        "column": 1
+      }
+    },
+    "sourceType": "module",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "ClassDeclaration",
+        "start": 0,
+        "end": 91,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 4,
+            "column": 1
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 6,
+          "end": 9,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 6
+            },
+            "end": {
+              "line": 1,
+              "column": 9
+            },
+            "identifierName": "Foo"
+          },
+          "name": "Foo"
+        },
+        "superClass": null,
+        "body": {
+          "type": "ClassBody",
+          "start": 10,
+          "end": 91,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 10
+            },
+            "end": {
+              "line": 4,
+              "column": 1
+            }
+          },
+          "body": [
+            {
+              "type": "ClassMethod",
+              "start": 14,
+              "end": 43,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 2
+                },
+                "end": {
+                  "line": 2,
+                  "column": 31
+                }
+              },
+              "static": false,
+              "key": {
+                "type": "Identifier",
+                "start": 14,
+                "end": 25,
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 13
+                  },
+                  "identifierName": "constructor"
+                },
+                "name": "constructor"
+              },
+              "computed": false,
+              "kind": "constructor",
+              "id": null,
+              "generator": false,
+              "async": false,
+              "params": [
+                {
+                  "type": "Identifier",
+                  "start": 26,
+                  "end": 29,
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 14
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 17
+                    },
+                    "identifierName": "set"
+                  },
+                  "name": "set"
+                },
+                {
+                  "type": "Identifier",
+                  "start": 31,
+                  "end": 39,
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 19
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 27
+                    },
+                    "identifierName": "readonly"
+                  },
+                  "name": "readonly"
+                }
+              ],
+              "body": {
+                "type": "BlockStatement",
+                "start": 41,
+                "end": 43,
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 29
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 31
+                  }
+                },
+                "body": [],
+                "directives": []
+              }
+            },
+            {
+              "type": "ClassMethod",
+              "start": 46,
+              "end": 89,
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 2
+                },
+                "end": {
+                  "line": 3,
+                  "column": 45
+                }
+              },
+              "static": false,
+              "key": {
+                "type": "Identifier",
+                "start": 46,
+                "end": 57,
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 13
+                  },
+                  "identifierName": "constructor"
+                },
+                "name": "constructor"
+              },
+              "computed": false,
+              "kind": "constructor",
+              "id": null,
+              "generator": false,
+              "async": false,
+              "params": [
+                {
+                  "type": "Identifier",
+                  "start": 58,
+                  "end": 66,
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 14
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 22
+                    },
+                    "identifierName": "set"
+                  },
+                  "name": "set",
+                  "typeAnnotation": {
+                    "type": "TSTypeAnnotation",
+                    "start": 61,
+                    "end": 66,
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 17
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 22
+                      }
+                    },
+                    "typeAnnotation": {
+                      "type": "TSAnyKeyword",
+                      "start": 63,
+                      "end": 66,
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 19
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 22
+                        }
+                      }
+                    }
+                  }
+                },
+                {
+                  "type": "Identifier",
+                  "start": 68,
+                  "end": 85,
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 24
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 41
+                    },
+                    "identifierName": "readonly"
+                  },
+                  "name": "readonly",
+                  "typeAnnotation": {
+                    "type": "TSTypeAnnotation",
+                    "start": 76,
+                    "end": 85,
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 32
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 41
+                      }
+                    },
+                    "typeAnnotation": {
+                      "type": "TSBooleanKeyword",
+                      "start": 78,
+                      "end": 85,
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 34
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 41
+                        }
+                      }
+                    }
+                  }
+                }
+              ],
+              "body": {
+                "type": "BlockStatement",
+                "start": 87,
+                "end": 89,
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 43
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 45
+                  }
+                },
+                "body": [],
+                "directives": []
+              }
+            }
+          ]
+        }
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file