diff --git a/src/ripple/app/tx/impl/SetHookDefinition.h b/src/ripple/app/tx/impl/SetHookDefinition.h
index 082625a8e..f8d00c87a 100644
--- a/src/ripple/app/tx/impl/SetHookDefinition.h
+++ b/src/ripple/app/tx/impl/SetHookDefinition.h
@@ -17,8 +17,8 @@
 */
 //==============================================================================
 
-#ifndef RIPPLE_TX_SETHOOK_DEFINTION_H_INCLUDED
-#define RIPPLE_TX_SETHOOK_DEFINTION_H_INCLUDED
+#ifndef RIPPLE_TX_SETHOOKDEFINITION_H_INCLUDED
+#define RIPPLE_TX_SETHOOKDEFINITION_H_INCLUDED
 
 #include <ripple/app/tx/impl/Transactor.h>
 #include <ripple/basics/Log.h>