diff --git a/src/plugins/debugger/debuggerengine.h b/src/plugins/debugger/debuggerengine.h
index 3c143aad635..9c1cd94588b 100644
--- a/src/plugins/debugger/debuggerengine.h
+++ b/src/plugins/debugger/debuggerengine.h
@@ -357,6 +357,7 @@ private:
     // Wrapper engine needs access to state of its subengines.
     friend class Internal::QmlCppEngine;
     friend class Internal::DebuggerPluginPrivate;
+    friend class QmlAdapter;
 
     virtual void setState(DebuggerState state, bool forced = false);
 
diff --git a/src/plugins/debugger/qml/qmladapter.cpp b/src/plugins/debugger/qml/qmladapter.cpp
index b2591056d95..5386fadc679 100644
--- a/src/plugins/debugger/qml/qmladapter.cpp
+++ b/src/plugins/debugger/qml/qmladapter.cpp
@@ -273,6 +273,25 @@ void QmlAdapter::setConnectionAttemptInterval(int interval)
     d->m_connectionTimer.setInterval(interval);
 }
 
+bool QmlAdapter::disableJsDebugging(bool block)
+{
+    if (d->m_engine.isNull())
+        return block;
+
+    bool isBlocked = d->m_engine.data()->state() == InferiorRunOk;
+
+    if (isBlocked == block)
+        return block;
+
+    if (block)
+        d->m_engine.data()->continueInferior();
+    else
+        d->m_engine.data()->requestInterruptInferior();
+
+    return isBlocked;
+}
+
+
 void QmlAdapter::logServiceStatusChange(const QString &service, QDeclarativeDebugClient::Status newStatus)
 {
     switch (newStatus) {
diff --git a/src/plugins/debugger/qml/qmladapter.h b/src/plugins/debugger/qml/qmladapter.h
index a5e98d8786c..52b5444851c 100644
--- a/src/plugins/debugger/qml/qmladapter.h
+++ b/src/plugins/debugger/qml/qmladapter.h
@@ -76,6 +76,8 @@ public:
     void setMaxConnectionAttempts(int maxAttempts);
     void setConnectionAttemptInterval(int interval);
 
+    bool disableJsDebugging(bool block);
+
 public slots:
     void logServiceStatusChange(const QString &service, QDeclarativeDebugClient::Status newStatus);    
     void logServiceActivity(const QString &service, const QString &logMessage);
diff --git a/src/plugins/qmljsinspector/qmljsclientproxy.cpp b/src/plugins/qmljsinspector/qmljsclientproxy.cpp
index 4cc1c4e608d..0b12c4caeff 100644
--- a/src/plugins/qmljsinspector/qmljsclientproxy.cpp
+++ b/src/plugins/qmljsinspector/qmljsclientproxy.cpp
@@ -322,8 +322,12 @@ QDeclarativeDebugExpressionQuery *ClientProxy::queryExpressionResult(int objectD
 {
     if (debug)
         qDebug() << "queryExpressionResult():" << objectDebugId << expr << parent;
-    if (objectDebugId != -1)
-        return m_engineClient->queryExpressionResult(objectDebugId,expr,parent);
+    if (objectDebugId != -1) {
+        bool block = m_adapter->disableJsDebugging(true);
+        QDeclarativeDebugExpressionQuery *query = m_engineClient->queryExpressionResult(objectDebugId,expr,parent);
+        m_adapter->disableJsDebugging(block);
+        return query;
+    }
     return 0;
 }