diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index fcc207412c5..8b5b8820d3b 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -116,6 +116,7 @@ LldbEngine::LldbEngine(const DebuggerStartParameters &startParameters)
 LldbEngine::~LldbEngine()
 {
     m_stubProc.disconnect(); // Avoid spurious state transitions from late exiting stub
+    m_lldbProc.disconnect();
 }
 
 void LldbEngine::executeDebuggerCommand(const QString &command, DebuggerLanguages)