diff --git a/app/src/main/java/de/jotomo/ruffyscripter/RuffyScripter.java b/app/src/main/java/de/jotomo/ruffyscripter/RuffyScripter.java
index 761d8aa312..1afbac3b9f 100644
--- a/app/src/main/java/de/jotomo/ruffyscripter/RuffyScripter.java
+++ b/app/src/main/java/de/jotomo/ruffyscripter/RuffyScripter.java
@@ -60,6 +60,8 @@ public class RuffyScripter {
 
     public void start(IRuffyService newService) {
         try {
+            if(ruffyService!=null)
+                try{ruffyService.removeHandler(mHandler);}catch(Exception e){};
             if(newService!=null) {
                 this.ruffyService = newService;
                 // TODO this'll be done better in v2 via ConnectionManager