1 files changed, 5 insertions, 0 deletions
diff --git a/command.h b/command.h
index ab282a6d52..5e0e69334d 100644
--- a/command.h
+++ b/command.h
@@ -1,3 +1,8 @@
+#ifndef COMMAND_H
+#define COMMAND_H
+
 int run_command(struct MPContext *mpctx, mp_cmd_t *cmd);
 char *property_expand_string(struct MPContext *mpctx, char *str);
 void property_print_help(void);
+
+#endif /* COMMAND_H */