diff --git a/test/Callback.cc b/test/Callback.cc
index a149357..21364cd 100644
--- a/test/Callback.cc
+++ b/test/Callback.cc
@@ -24,6 +24,7 @@ class Callback {
 	static double callIncrementDouble(const nbind::cbFunction &incrementDouble, double x) {return(incrementDouble.call<double>(x));}
 
 	static std::string callCatenate(nbind::cbFunction &catenate, const char *a, const char *b) {return(catenate.call<std::string>(a, b));}
+	static std::string callCatenate2(nbind::cbFunction &catenate, const char *a, const char *b) {return(catenate.call<std::string>(a, b));}
 
 	static void callCStrings(nbind::cbFunction &cb) {
 		std::string foo = "foo";
@@ -51,7 +52,10 @@ NBIND_CLASS(Callback) {
 	method(callAddInt2);
 
 	method(callIncrementDouble);
+
 	method(callCatenate);
+	method(callCatenate2);
+
 	method(callCStrings);
 }
 
diff --git a/test/reflect.txt b/test/reflect.txt
index eac7337..8be25aa 100644
--- a/test/reflect.txt
+++ b/test/reflect.txt
@@ -19,6 +19,7 @@ class Callback {
 	static int32_t callAddInt2(const std::function<int32_t (int32_t, int32_t)> &, int32_t, int32_t);
 	static float64_t callIncrementDouble(const cbFunction &, float64_t);
 	static std::string callCatenate(cbFunction &, const char *, const char *);
+	static std::string callCatenate2(cbFunction &, const char *, const char *);
 	static void callCStrings(cbFunction &);
 };
 
diff --git a/test/test.ts b/test/test.ts
index 77f9265..c4584fd 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -168,6 +168,7 @@ test('Callbacks', function(t: any) {
 	t.strictEqual(Type.callAddInt2(function(x: number, y: number) {return(x + y);}, 40, 2), 42);
 	t.strictEqual(Type.callIncrementDouble(function(x: number) {return(x + 0.25);}, 0.5), 0.75);
 	t.strictEqual(Type.callCatenate(function(x: string, y: string) {return(x + y);}, 'foo', 'bar'), 'foobar');
+	t.strictEqual(Type.callCatenate2(function(x: string, y: string) {return(x + y);}, 'foo', 'bar'), 'foobar');
 
 	t.throws(function() {
 		Type.callNegate({} as any as (x: boolean) => boolean, true);