diff --git a/Makefile b/Makefile
index c081555..d430691 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,7 @@ export-html5: build-dir
 	mkdir -p "$(BUILD_DIR)/html"
 	$(GODOT) --path "$(GODOT_PROJECT_PATH)" --export "$(TARGET_HTML5)" "../$(BUILD_DIR)/html/$(PROJECT_NAME).html"
 	zip -j -r "$(BUILD_DIR)/$(PROJECT_NAME)-html5.zip" "$(BUILD_DIR)/html"
+	rm -rf "$(BUILD_DIR)/html"
 
 export-windows: build-dir
 	$(GODOT) --path "$(GODOT_PROJECT_PATH)" --export "$(TARGET_WINDOWS)" "../$(BUILD_DIR)/$(PROJECT_NAME).exe"