diff --git a/Makefile b/Makefile
index 0993e50..1dcee76 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 all: src/*.c
 	gcc src/main.c src/json.c src/curl.c -lcurl -lcjson -o isbn -Wall
+	mkdir -p build
 	mv isbn build
 clean:
 	rm isbn