diff --git a/src/SFML/System/Android/ResourceStream.cpp b/src/SFML/System/Android/ResourceStream.cpp
index 93280aa6..2dd24a20 100644
--- a/src/SFML/System/Android/ResourceStream.cpp
+++ b/src/SFML/System/Android/ResourceStream.cpp
@@ -41,7 +41,7 @@ ResourceStream::ResourceStream(const std::string& filename) :
 m_file (NULL)
 {
     ActivityStates* states = getActivity(NULL);
-    Lock(states->mutex);
+    Lock lock(states->mutex);
     m_file = AAssetManager_open(states->activity->assetManager, filename.c_str(), AASSET_MODE_UNKNOWN);
 }