diff --git a/rulegen3.cpp b/rulegen3.cpp
index a3b3098e..6042f63b 100644
--- a/rulegen3.cpp
+++ b/rulegen3.cpp
@@ -244,7 +244,7 @@ int readRuleArgs3() {
   return 0;
   }
 
-auto hook = addHook(hooks_args, 100, readRuleArgs3);
+auto hook3 = addHook(hooks_args, 100, readRuleArgs3);
 #endif
 
 }