diff --git a/core/libs/dimg/filters/curves/curvesbox.cpp b/core/libs/dimg/filters/curves/curvesbox.cpp
--- a/core/libs/dimg/filters/curves/curvesbox.cpp
+++ b/core/libs/dimg/filters/curves/curvesbox.cpp
@@ -229,8 +229,8 @@
                                       "Second option will reset all channels."));
 
     QMenu* const resetMenu    = new QMenu(i18n("&Reset"), d->resetButton);
-    d->resetChannelAction     = new QAction(i18n("Reset &Channel"));
-    d->resetChannelsAction    = new QAction(i18n("Reset &All"));
+    d->resetChannelAction     = new QAction(i18n("Reset &Channel"), nullptr);
+    d->resetChannelsAction    = new QAction(i18n("Reset &All"), nullptr);
     resetMenu->addAction(d->resetChannelAction);
     resetMenu->addAction(d->resetChannelsAction);