diff --git a/kaffeine/src/player-parts/libmpv-part/libmpv_errordlg.cpp b/kaffeine/src/player-parts/libmpv-part/libmpv_errordlg.cpp
index 7f620b0..0397622 100644
--- a/kaffeine/src/player-parts/libmpv-part/libmpv_errordlg.cpp
+++ b/kaffeine/src/player-parts/libmpv-part/libmpv_errordlg.cpp
@@ -42,6 +42,7 @@ MpvErrorDlg::MpvErrorDlg(MpvPart *part)
                   KGuiItem(i18n("View Log"), "text-x-log",           i18n("Pause playback and view event log"))),
       m_part(part)
 {
+    Q_ASSERT(m_part);
     TQHBox *hbox = makeHBoxMainWidget();
 
     TQLabel *errorPix = new TQLabel(hbox);