diff --git a/goborator.go b/goborator.go
index 555ec81..3f5f5b3 100644
--- a/goborator.go
+++ b/goborator.go
@@ -136,5 +136,7 @@ func (g *Gaborator) analyze(block []float32) {
 
 //export cgoCallback
 func cgoCallback(ptr C.uintptr_t, data *C.float, size C.int) {
-	cgo.Handle(ptr).Value().(chan []float32) <- unsafe.Slice((*float32)(data), int(size))
+	buf := make([]float32, size)
+	copy(buf, unsafe.Slice((*float32)(data), int(size)))
+	cgo.Handle(ptr).Value().(chan []float32) <- buf
 }
diff --git a/goborator_test.go b/goborator_test.go
index eb613ec..043abd2 100644
--- a/goborator_test.go
+++ b/goborator_test.go
@@ -36,9 +36,8 @@ func TestGoborator(t *testing.T) {
 
 	var i = 0
 	start := time.Now()
-	//for c := range ob.GaborTransform(channel) {
-	for _ = range ob.GaborTransform(channel) {
-		//fmt.Printf("%d: %+F\n", i, c)
+	for c := range ob.GaborTransform(channel) {
+		fmt.Printf("%d: %+F\n", i, c)
 		i++
 	}