diff --git a/companion/targets/windows/companion-msys.nsi.in b/companion/targets/windows/companion-msys.nsi.in
index 88434ac76..dbb9ad683 100644
--- a/companion/targets/windows/companion-msys.nsi.in
+++ b/companion/targets/windows/companion-msys.nsi.in
@@ -173,8 +173,10 @@ Section "Uninstall"
   Delete "$INSTDIR\Uninstall.exe"
   
   Delete "$INSTDIR\lang\*.*"
+  Delete "$INSTDIR\phonon_backend\*.*"
 
   RMDir "$INSTDIR\lang"
+  RMDir "$INSTDIR\phonon_backend"
   RMDir "$INSTDIR"
   
   ${unregisterExtension} ".bin" "BIN File"