diff --git a/Makefile b/Makefile
index c0c6b46..2a822c5 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,7 @@ clean:
 	rm -rf output/*
 
 build:
+	$(shell mkdir -p $(OUTPUT_DIR))
 	lualatex --output-directory $(OUTPUT_DIR) rapport.tex
 
 buildall: images build