diff --git a/.gitignore b/.gitignore
index 258bec7..d46ff1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 make
 .swp
 .git
+build
+.vscode
diff --git a/Makefile b/Makefile
index d7c1d8e..462e726 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ check-deps-deb:
 clean:
 	rm -rf build
 
-build:
+build: $(shell find src -type f)
 	mkdir -p build
 	qmake src/slide.pro -o build/Makefile
 	make -C build