diff --git a/routing.go b/routing.go
index d4d1122..6dafc01 100644
--- a/routing.go
+++ b/routing.go
@@ -144,8 +144,8 @@ func processJackCb(nframes uint32) int {
 
 	// Get memory addresses to write to for all outputs
 	var outputBuffers []JackOutputBuffers = []JackOutputBuffers{}
-	for _, out := range portConfig.Output {
-		outputBuffer := JackOutputBuffers{&out, [][]jack.AudioSample{}}
+	for i, out := range portConfig.Output {
+		outputBuffer := JackOutputBuffers{&portConfig.Output[i], [][]jack.AudioSample{}}
 		for _, port := range out.object {
 			buffer := port.GetBuffer(nframes)
 			for i := range buffer {