diff --git a/setup.cfg b/setup.cfg
index 87ab85bf..a90e807f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,8 +5,8 @@ universal = 1
 ; semver-style versions
 version-levels = 3
 
-; tags: vX.Y.Z; the double-percent is a guard against ConfigParser.
-tag-format = v%%(version)s
+; tags: vX.Y.Z
+tag-format = v%(version)s
 
 ; Version flag location (we use __version__)
 python-file-with-version = factory/__init__.py