diff --git a/gui/checkthread.cpp b/gui/checkthread.cpp
index acf4981f9..5bf68a8e9 100644
--- a/gui/checkthread.cpp
+++ b/gui/checkthread.cpp
@@ -67,4 +67,5 @@ void CheckThread::run()
 void CheckThread::stop()
 {
     mState = Stopping;
+    mCppcheck.terminate();
 }