diff --git a/config.yaml.dist b/config.yaml.dist
index 7a3cd6c..b0b33ec 100644
--- a/config.yaml.dist
+++ b/config.yaml.dist
@@ -37,8 +37,8 @@ limits:
     posts_per_page: 40
     max_comment_length: 5000
 
-tag_name_regex: ^[^%+#/]+$
-tag_category_name_regex: ^[^%+#/]+$
+tag_name_regex: ^[^\s%+#/]+$
+tag_category_name_regex: ^[^\s%+#/]+$
 
 default_rank: regular