diff --git a/app/src/main/java/org/opencord/sadis/impl/SadisManager.java b/app/src/main/java/org/opencord/sadis/impl/SadisManager.java
index f8e4de8..37114bd 100644
--- a/app/src/main/java/org/opencord/sadis/impl/SadisManager.java
+++ b/app/src/main/java/org/opencord/sadis/impl/SadisManager.java
@@ -91,6 +91,7 @@
      */
     @Deactivate
     protected void deactivate() {
+        cfgService.removeListener(cfgListener);
         this.log.info("Stopped");
     }