diff --git a/src/plugins/perfprofiler/perfprofilerflamegraphmodel.cpp b/src/plugins/perfprofiler/perfprofilerflamegraphmodel.cpp
index d9f4cc30528..14716e4a29e 100644
--- a/src/plugins/perfprofiler/perfprofilerflamegraphmodel.cpp
+++ b/src/plugins/perfprofiler/perfprofilerflamegraphmodel.cpp
@@ -57,7 +57,7 @@ public:
 private:
     const PerfProfilerFlameGraphData *m_parent;
     PerfProfilerFlameGraphModel::Data *m_data;
-    const int m_numSamples;
+    int m_numSamples;
 };
 
 typedef PerfResourceCounter<Payload> ThreadResourceCounter;