diff --git a/goborator.go b/goborator.go
index 5d36ee2..5b2fdb5 100644
--- a/goborator.go
+++ b/goborator.go
@@ -133,8 +133,8 @@ func (g *Gaborator) analyze(input []float32, outputCallback func(output []float3
 	if len(input) == 0 {
 		returnData = C.gaborator_transform(g.pointer, (*C.float)(nil), C.int64_t(0), &returnSize, &sliceSize)
 	} else {
-		defer runtime.KeepAlive(input)
-		returnData = C.gaborator_transform(g.pointer, (*C.float)(&input[0]), C.int64_t(len(input)), &returnSize, &sliceSize)
+		returnData = C.gaborator_transform(g.pointer, (*C.float)(unsafe.SliceData(input)), C.int64_t(len(input)), &returnSize, &sliceSize)
+		runtime.KeepAlive(input)
 	}
 
 	if returnData != nil && returnSize > 0 {