diff --git a/src/plasma/applet.cpp b/src/plasma/applet.cpp
index 590befde1..2dda38109 100644
--- a/src/plasma/applet.cpp
+++ b/src/plasma/applet.cpp
@@ -521,7 +521,12 @@ void Applet::flushPendingConstraintsEvents()
             action->setEnabled(canConfig);
         }
 
-        emit immutabilityChanged(immutability());
+        //an immutable constraint will alwasy happen at startup
+        //make sure don't emit a change signal for nothing
+        if (d->oldImmutability != immutability()) {
+            emit immutabilityChanged(immutability());
+        }
+        d->oldImmutability = immutability();
     }
 
     // now take care of constraints in special subclass: Contaiment
diff --git a/src/plasma/private/applet_p.cpp b/src/plasma/private/applet_p.cpp
index 337924a6b..2cbfd0661 100644
--- a/src/plasma/private/applet_p.cpp
+++ b/src/plasma/private/applet_p.cpp
@@ -53,6 +53,7 @@ AppletPrivate::AppletPrivate(KService::Ptr service, const KPluginInfo *info, int
     : appletId(uniqueID),
       q(applet),
       immutability(Types::Mutable),
+      oldImmutability(Types::Mutable),
       appletDescription(info ? *info : KPluginInfo(service)),
       icon(appletDescription.isValid() ? appletDescription.icon() : QString()),
       mainConfig(0),
diff --git a/src/plasma/private/applet_p.h b/src/plasma/private/applet_p.h
index 13aae16b0..e1aaef677 100644
--- a/src/plasma/private/applet_p.h
+++ b/src/plasma/private/applet_p.h
@@ -81,6 +81,7 @@ public:
 
     // applet attributes
     Types::ImmutabilityType immutability;
+    Types::ImmutabilityType oldImmutability;
     QString launchErrorMessage;
 
     // applet info we keep around in case its needed