--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -212,7 +212,7 @@ class queue:
if not pushable:
if why:
write(_('skipping %s - guarded by %r\n') %
- (self.series[idx], ' '.join(why)))
+ (self.series[idx], why))
else:
write(_('skipping %s - no matching guards\n') %
self.series[idx])