diff --git a/src/libs/extensionsystem/pluginmanager.cpp b/src/libs/extensionsystem/pluginmanager.cpp
index 92c02d85f18..0bbd5e780bc 100644
--- a/src/libs/extensionsystem/pluginmanager.cpp
+++ b/src/libs/extensionsystem/pluginmanager.cpp
@@ -274,10 +274,11 @@ enum { debugLeaks = 0 };
 
 
 using namespace Utils;
-using namespace ExtensionSystem::Internal;
 
 namespace ExtensionSystem {
 
+using namespace Internal;
+
 static Internal::PluginManagerPrivate *d = 0;
 static PluginManager *m_instance = 0;