diff --git a/Makefile b/Makefile
index 94df9ce..81c37f4 100644
--- a/Makefile
+++ b/Makefile
@@ -49,12 +49,14 @@ $(PROGRAM): $(OBJS)
 
 
 out/%.d: src/%.c
+	@mkdir -p $(@D)
 	@set -e ; $(RM) $@; \
 	$(CC) -M $(CFLAGS) $< > $@.$$$$; \
 	sed 's,\($*\)\.o[ :]*,out/\1.o $@ : ,g' < $@.$$$$ > $@; \
 	$(RM) $@.$$$$
 
 out/%.o: src/%.c
+	@mkdir -p $(@D)
 	$(CC) $(CFLAGS) -c $< -o $@
 
 include $(DEPS)