diff --git a/Makefile b/Makefile
index 3b938dc..f5b573e 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ CFLAGS = $(if $(DEBUGA),-DDEBUG=1,) -Wall $(if $(ASAN),-fsanitize=address,) -fno
 .PHONY: install clean
 
 build/%.o: src/%.c
+	mkdir -p $(@D)
 	$(CC) -c $(CFLAGS) -o $@ $<
 
 ntc: $(OBJECTS)