diff --git a/Makefile b/Makefile
index 58bc85c..d4b170f 100644
--- a/Makefile
+++ b/Makefile
@@ -14,9 +14,9 @@ themes.json: $(wildcard static/*/config.json)
 	sassc $< $@
 
 publik-base-theme/static/includes/_data_uris.scss: $(wildcard publik-base-theme/static/includes/img/*)
-	cd publik-base-theme; python make_data_uris.py static/includes/
+	cd publik-base-theme; python3 make_data_uris.py static/includes/
 
-css: publik-base-theme/static/includes/_data_uris.scss $(shell python get_themes.py)
+css: publik-base-theme/static/includes/_data_uris.scss $(shell python3 get_themes.py)
 	rm -rf static/*/.sass-cache/
 
 clean:
diff --git a/get_themes.py b/get_themes.py
index aa64164..c99ea79 100644
--- a/get_themes.py
+++ b/get_themes.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
 import os
 
@@ -6,4 +6,4 @@ for dirname in sorted(os.listdir('static')):
     config = os.path.join('static', dirname, 'config.json')
     if not os.path.exists(config):
         continue
-    print 'static/%s/style.css' % dirname
+    print('static/%s/style.css' % dirname)