diff --git a/Makefile b/Makefile
index 2d5c77a..6abeda7 100644
--- a/Makefile
+++ b/Makefile
@@ -8,11 +8,11 @@ build-html:
 	marp src/index.md --allow-local-files -o build/index.html
 
 clean:
+	test -f build/index.html && rm build/index.html || true
 	test -f build/slides.pdf && rm build/slides.pdf || true
 	test -f build/slides.pptx && rm build/slides.pptx || true
-	test -f build/index.html && rm build/index.html || true
 
-build: build-pdf build-pptx build-html
+build: build-html build-pdf build-pptx
 
 serve:
 	marp --allow-local-files -w -s ./src