diff --git a/include/c64/kernalio.h b/include/c64/kernalio.h
index e32405b..6a7f469 100644
--- a/include/c64/kernalio.h
+++ b/include/c64/kernalio.h
@@ -1,4 +1,4 @@
-#ifndef C64_KERNALIO_H
+
 #ifndef C64_KERNALIO_H
 
 // Error and status codes returned by krnio_status