diff --git a/command.h b/command.h
index a383a1aad3..ab282a6d52 100644
--- a/command.h
+++ b/command.h
@@ -1,3 +1,3 @@
-int run_command(MPContext *mpctx, mp_cmd_t *cmd);
-char *property_expand_string(MPContext *mpctx, char *str);
+int run_command(struct MPContext *mpctx, mp_cmd_t *cmd);
+char *property_expand_string(struct MPContext *mpctx, char *str);
 void property_print_help(void);