diff --git a/Makefile b/Makefile
index 59c057b..2ddb1f5 100644
--- a/Makefile
+++ b/Makefile
@@ -21,14 +21,15 @@ down:
 todo: estructura build
 
 sync-to-github:
-	@echo "Synchronizing to GitHub..."
-	@if ! git remote | grep -q '^github$$'; then \
-		echo "Adding GitHub remote..."; \
-		git remote add github $(GITHUB_REPO_URL); \
-	fi
+	@echo Synchronizing to GitHub...
+	@if not exist ".git\refs\remotes\github" ( \
+		echo Adding GitHub remote... && \
+		git remote add github $(GITHUB_REPO_URL) \
+	)
 	git push github --all
 	git push github --tags
-	@echo "Synchronization to GitHub complete."
+	@echo Synchronization to GitHub complete.
+
 
 sync-to-gitea:
 	@echo "Synchronizing to Gitea..."