diff --git a/packages/babel-parser/src/util/scope.js b/packages/babel-parser/src/util/scope.js
index 8d9e08b1a8..a9cf9d89ed 100644
--- a/packages/babel-parser/src/util/scope.js
+++ b/packages/babel-parser/src/util/scope.js
@@ -117,8 +117,7 @@ export default class ScopeHandler {
         const scope = this.scopeStack[i];
         if (
           (scope.lexical.indexOf(name) > -1 &&
-            !(scope.flags & SCOPE_SIMPLE_CATCH) &&
-            scope.lexical[0] === name) ||
+            !(scope.flags & SCOPE_SIMPLE_CATCH && scope.lexical[0] === name)) ||
           (!this.treatFunctionsAsVarInScope(scope) &&
             scope.functions.indexOf(name) > -1)
         ) {
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex-nested/input.js b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex-nested/input.js
new file mode 100644
index 0000000000..9c289f87c3
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex-nested/input.js
@@ -0,0 +1,5 @@
+{
+  let bar;
+  var foo = 1;
+  let foo = 1;
+}
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex-nested/options.json b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex-nested/options.json
new file mode 100644
index 0000000000..b09098cda9
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex-nested/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Identifier 'foo' has already been declared (4:6)"
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex/input.js b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex/input.js
new file mode 100644
index 0000000000..512f688865
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex/input.js
@@ -0,0 +1,3 @@
+let bar;
+var foo = 1;
+let foo = 1;
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex/options.json b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex/options.json
new file mode 100644
index 0000000000..37dd7bff72
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-lex/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Identifier 'foo' has already been declared (3:4)"
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var-nested/input.js b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var-nested/input.js
new file mode 100644
index 0000000000..59ae63e301
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var-nested/input.js
@@ -0,0 +1,5 @@
+{
+  let bar;
+  let foo = 1;
+  var foo = 1;
+}
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var-nested/options.json b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var-nested/options.json
new file mode 100644
index 0000000000..b09098cda9
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var-nested/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Identifier 'foo' has already been declared (4:6)"
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var/input.js b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var/input.js
new file mode 100644
index 0000000000..aebd03c057
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var/input.js
@@ -0,0 +1,3 @@
+let bar;
+let foo = 1;
+var foo = 1;
diff --git a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var/options.json b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var/options.json
new file mode 100644
index 0000000000..37dd7bff72
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-2nd-lvl-var/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Identifier 'foo' has already been declared (3:4)"
+}
\ No newline at end of file