diff --git a/src/plugins/valgrind/memchecktool.cpp b/src/plugins/valgrind/memchecktool.cpp
index b666bd2f7d4..6daebe42a3c 100644
--- a/src/plugins/valgrind/memchecktool.cpp
+++ b/src/plugins/valgrind/memchecktool.cpp
@@ -1108,6 +1108,9 @@ int MemcheckTool::updateUiAfterFinishedHelper()
 
 void MemcheckTool::engineFinished()
 {
+    if (m_errorView == nullptr) // Happens on shutdown when memcheck is still running.
+        return;
+
     m_toolBusy = false;
     updateRunActions();