diff --git a/test/compare/default/arrow_function_expression-in.js b/test/compare/default/arrow_function_expression-in.js
index 4297cba..49445f1 100644
--- a/test/compare/default/arrow_function_expression-in.js
+++ b/test/compare/default/arrow_function_expression-in.js
@@ -11,3 +11,13 @@ arr.map(d    =>
 let defaultParams = (x, y   =   1, z  =  2  ) => {
   return x + y + z;
 }
+
+// issue #393
+a = () => {
+  test( () => {
+    return 1
+  })
+  test(() => {
+    return 1
+  })
+}
diff --git a/test/compare/default/arrow_function_expression-out.js b/test/compare/default/arrow_function_expression-out.js
index cde9bf3..ab944bc 100644
--- a/test/compare/default/arrow_function_expression-out.js
+++ b/test/compare/default/arrow_function_expression-out.js
@@ -14,3 +14,13 @@ arr.map((e, f, g) => e * f - g);
 let defaultParams = (x, y = 1, z = 2) => {
   return x + y + z;
 }
+
+// issue #393
+a = () => {
+  test(() => {
+    return 1
+  })
+  test(() => {
+    return 1
+  })
+}