diff --git a/makefile b/makefile
index 274158c..18afab7 100644
--- a/makefile
+++ b/makefile
@@ -63,6 +63,7 @@ blog: $(HTML_INCLUDES) $(CSS_TARGETS)
 	done
 
 clean:
+	make --directory $(BLOG_BASE_DIR) clean
 	rm -rf $(OUT_DIR)
 
 .PHONY: blog