diff --git a/src/testRunner/unittests/convertToAsyncFunction.ts b/src/testRunner/unittests/convertToAsyncFunction.ts
index 99788e1310e..d1655824216 100644
--- a/src/testRunner/unittests/convertToAsyncFunction.ts
+++ b/src/testRunner/unittests/convertToAsyncFunction.ts
@@ -1194,6 +1194,11 @@ const [#|foo|] = function () {
 } 
 `);
 
+    _testConvertToAsyncFunction("convertToAsyncFunction_catchBlockUniqueParams", `
+function [#|f|]() {
+	return Promise.resolve().then(x => 1).catch(x => "a").then(x => !!x); 
+} 
+`);
 
     });