diff --git a/builtin/exec_builtin.c b/builtin/exec_builtin.c
index eb097177d..05ccce779 100644
--- a/builtin/exec_builtin.c
+++ b/builtin/exec_builtin.c
@@ -181,7 +181,7 @@ int exec_builtin(FAR const char *appname, FAR char * const *argv,
         }
     }
 
-#ifdef CONFIG_LIBC_EXECFUNCS
+#idef CONFIG_LIBC_EXECFUNCS
   /* A NULL entry point implies that the task is a loadable application */
 
   if (builtin->main == NULL)