diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index 4bd2462ac28df5177a5fab881d5cc961e012f5ee..137275303bd55b98392f2f5ea3a49914e0cbaf25 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -2539,6 +2539,9 @@ DebuggerPlugin::~DebuggerPlugin()
     delete d->m_uiSwitcher;
     d->m_uiSwitcher = 0;
 
+    delete d->m_commandWindow;
+    d->m_commandWindow = 0;
+
     delete d;
 }