diff --git a/source/RobotAPI/components/ObjectPoseObserver/ObjectPoseProviderPlugin.h b/source/RobotAPI/components/ObjectPoseObserver/ObjectPoseProviderPlugin.h
index 698c7d37592c76b9eb9f1b2aa52ea9b4cec65499..f15a5b813e130bec95ffaa6ce4339b52be87d6ec 100644
--- a/source/RobotAPI/components/ObjectPoseObserver/ObjectPoseProviderPlugin.h
+++ b/source/RobotAPI/components/ObjectPoseObserver/ObjectPoseProviderPlugin.h
@@ -39,7 +39,7 @@ namespace armarx
      */
     class ObjectPoseProviderPluginUser :
         virtual public ManagedIceObject
-        , virtual objpose::ObjectPoseProvider
+        , virtual public objpose::ObjectPoseProvider
     {
     public: