diff --git a/Code/Mantid/Kernel/test/AlgorithmManagerTest.h b/Code/Mantid/Kernel/test/AlgorithmManagerTest.h
index d62a1f98fcc9a909306d4259dec6b6af1406551e..da5962c1f1ff1a0c88c361cb78a74be852148fc1 100644
--- a/Code/Mantid/Kernel/test/AlgorithmManagerTest.h
+++ b/Code/Mantid/Kernel/test/AlgorithmManagerTest.h
@@ -6,6 +6,8 @@
 #include "../inc/Algorithm.h"
 #include <stdexcept>
 
+using namespace Mantid::Kernel;
+
 	class algmantest : public Algorithm
 	{
 	public: