diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index e66d4c5..c502ff8 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -4341,7 +4341,7 @@
     /* Find all available locales by running command "locale -a".  If this
      * doesn't work we won't have completion. */
     char_u *locale_a = get_cmd_output((char_u *)"locale -a",
-							NULL, SHELL_SILENT);
+						    NULL, SHELL_SILENT, NULL);
     if (locale_a == NULL)
 	return NULL;
     ga_init2(&locales_ga, sizeof(char_u *), 20);