diff --git a/libmariadb/mariadb_lib.c b/libmariadb/mariadb_lib.c
index 2dbbdb8a..28e2cbbc 100644
--- a/libmariadb/mariadb_lib.c
+++ b/libmariadb/mariadb_lib.c
@@ -2661,7 +2661,7 @@ mysql_optionsv(MYSQL *mysql,enum mysql_option option, ...)
     mysql->options.named_pipe=1;		/* Force named pipe */
     break;
   case MYSQL_OPT_LOCAL_INFILE:			/* Allow LOAD DATA LOCAL ?*/
-    if (!arg1 || test(*(my_bool*) arg1))
+    if (!arg1 || test(*(unsigned int*) arg1))
       mysql->options.client_flag|= CLIENT_LOCAL_FILES;
     else
       mysql->options.client_flag&= ~CLIENT_LOCAL_FILES;