diff --git a/revid/RevidInstance.go b/revid/RevidInstance.go
index 54038729..54d1d46e 100644
--- a/revid/RevidInstance.go
+++ b/revid/RevidInstance.go
@@ -228,10 +228,12 @@ func (r *revidInst) Start() {
 		return
 	}
 	r.Log(Info, "Starting Revid!")
-	err := r.setupOutput()
-	if err != nil {
-		r.Log(Error, "Output setup didn't work!")
-		return
+	if r.setupOutput != nil {
+		err := r.setupOutput()
+		if err != nil {
+			r.Log(Error, "Output setup didn't work!")
+			return
+		}
 	}
 	go r.setupInput()
 	go r.outputClips()