diff --git a/test/LevelMutex/Thing.cpp b/test/LevelMutex/Thing.cpp
index 749ac75..42709e0 100644
--- a/test/LevelMutex/Thing.cpp
+++ b/test/LevelMutex/Thing.cpp
@@ -28,8 +28,8 @@
 #include <algorithm>
 #include <functional>
 
-#include <SafeFormat.h>
-#include <LockingPtr.h>
+#include <loki/SafeFormat.h>
+#include <loki/LockingPtr.h>
 
 using namespace ::Loki;