diff --git a/Makefile b/Makefile
index 4c6f289..b9e8443 100644
--- a/Makefile
+++ b/Makefile
@@ -8,8 +8,10 @@ endif
 ifeq ($(HOST),)
 	$(error HOST not set)
 endif
+ifneq (`git diff`,)
 	git add .
 	git commit -m "auto commit on build" -m "`PAGER=cat git diff --name-only --cached`"
+endif
 	rsync -azr ./ crown@$(IP):~/flake-config
 	ssh crown@$(IP) "sudo nixos-rebuild switch --flake ~/flake-config#$(HOST)"