diff --git a/Control/AthToolSupport/AsgExampleTools/AsgExampleTools/DataHandleTestTool.h b/Control/AthToolSupport/AsgExampleTools/AsgExampleTools/DataHandleTestTool.h
index 401eed879e39e1d23fc366a8270bc19d5f2daa5b..cf592fab88e8e1a3401199bb5eff994495b19ab4 100644
--- a/Control/AthToolSupport/AsgExampleTools/AsgExampleTools/DataHandleTestTool.h
+++ b/Control/AthToolSupport/AsgExampleTools/AsgExampleTools/DataHandleTestTool.h
@@ -6,8 +6,8 @@
 
 
 
-#ifndef ASG_TOOLS__UNIT_TEST_TOOL1_H
-#define ASG_TOOLS__UNIT_TEST_TOOL1_H
+#ifndef ASG_TOOLS__DATA_HANDLES_TEST_TOOL_H
+#define ASG_TOOLS__DATA_HANDLES_TEST_TOOL_H
 
 #include <AsgTools/AsgTool.h>
 #include <AsgExampleTools/IDataHandleTestTool.h>