diff --git a/src/plugins/ctfvisualizer/ctftimelinemodel.cpp b/src/plugins/ctfvisualizer/ctftimelinemodel.cpp
index 01288772760..2a2a8860120 100644
--- a/src/plugins/ctfvisualizer/ctftimelinemodel.cpp
+++ b/src/plugins/ctfvisualizer/ctftimelinemodel.cpp
@@ -29,7 +29,7 @@ CtfTimelineModel::CtfTimelineModel(Timeline::TimelineModelAggregator *parent,
 {
     updateName();
     setCollapsedRowCount(1);
-    setCategoryColor(colorByHue(qHash(pid)));
+    setCategoryColor(colorByHue(int(qHash(pid))));
     setHasMixedTypesInExpandedState(true);
 }