diff --git a/extern/oics/OISCompat.h b/extern/oics/OISCompat.h
index 74b6acde1..e8fd6904c 100644
--- a/extern/oics/OISCompat.h
+++ b/extern/oics/OISCompat.h
@@ -33,8 +33,7 @@ struct MWSDLMouseMotionEvent : SDL_MouseMotionEvent {
         state = evt.state;
     }
 
-    MWSDLMouseMotionEvent (const SDL_MouseWheelEvent& evt) :
-        MWSDLMouseMotionEvent()
+    MWSDLMouseMotionEvent (const SDL_MouseWheelEvent& evt)
     {
         _init();
         zrel = evt.y;