diff --git a/packages/babel-generator/src/node/parentheses.js b/packages/babel-generator/src/node/parentheses.js
index 809c584cc6..0f78d5276a 100644
--- a/packages/babel-generator/src/node/parentheses.js
+++ b/packages/babel-generator/src/node/parentheses.js
@@ -203,6 +203,10 @@ export function ArrowFunctionExpression(node, parent) {
     return true;
   }
 
+  if (t.isUnaryExpression(parent)) {
+    return true;
+  }
+
   return UnaryLike(node, parent);
 }
 
diff --git a/packages/babel-generator/test/fixtures/parentheses/unary-arrow-function/actual.js b/packages/babel-generator/test/fixtures/parentheses/unary-arrow-function/actual.js
new file mode 100644
index 0000000000..a527c3b975
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/parentheses/unary-arrow-function/actual.js
@@ -0,0 +1,3 @@
+void (() => {});
+typeof (() => {});
+!(() => {});
diff --git a/packages/babel-generator/test/fixtures/parentheses/unary-arrow-function/expected.js b/packages/babel-generator/test/fixtures/parentheses/unary-arrow-function/expected.js
new file mode 100644
index 0000000000..a527c3b975
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/parentheses/unary-arrow-function/expected.js
@@ -0,0 +1,3 @@
+void (() => {});
+typeof (() => {});
+!(() => {});