diff --git a/Makefile b/Makefile
index 6b16825d..eaec6c69 100644
--- a/Makefile
+++ b/Makefile
@@ -1,25 +1,29 @@
-default: sdist bdist bdist_egg install
-
-clean:
-	rm -fr build/ dist/ *.egg-info/
-
-build:
-	python3 setup.py build
-
-sdist:
-	python3 setup.py sdist
-
-bdist:
-	python3 setup.py bdist
-
-bdist_egg:
-	python3 setup.py bdist_egg
-
-install: bdist_egg
-	sudo python3 setup.py install
-
-release:
-	zenity --warning
-	python3 setup.py sdist bdist_egg upload
+SETUP = python3 setup.py
 
 .PHONY: default clean build sdist bdist bdist_egg install release
+
+default: build sdist bdist bdist_egg
+
+clean:
+	zenity --question
+	rm -fr build/ dist/ *.egg-info/
+	find . | grep __pycache__ | xargs rm -fr
+
+build:
+	$(SETUP) build
+
+sdist:
+	$(SETUP) sdist
+
+bdist:
+	$(SETUP) bdist
+
+bdist_egg:
+	$(SETUP) bdist_egg
+
+install: bdist_egg
+	sudo $(SETUP) install
+
+release:
+	zenity --question
+	$(SETUP) sdist bdist_egg upload