diff --git a/setup.py b/setup.py
index 2eb4cabb8..13c7ea10b 100755
--- a/setup.py
+++ b/setup.py
@@ -340,7 +340,7 @@ class picard_build_ui(Command):
         else:
             for uifile, pyfile in ui_files():
                 if newer(uifile, pyfile):
-                   compile_ui(uifile, pyfile)
+                    compile_ui(uifile, pyfile)
 
         from resources import compile, makeqrc
         makeqrc.main()