diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index 6c19122e103..1ca6e317156 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -2311,7 +2311,7 @@ void DebuggerPluginPrivate::updateState(DebuggerEngine *engine)
     m_attachToRemoteServerAction->setEnabled(true);
     m_attachToRunningApplication->setEnabled(true);
 
-    m_threadBox->setEnabled(state == InferiorStopOk);
+    m_threadBox->setEnabled(state == InferiorStopOk || state == InferiorUnrunnable);
 
     const bool isCore = engine->startParameters().startMode == AttachCore;
     const bool stopped = state == InferiorStopOk;