diff --git a/erepublik/utils.py b/erepublik/utils.py
index a748c7b..46d1a92 100644
--- a/erepublik/utils.py
+++ b/erepublik/utils.py
@@ -330,5 +330,5 @@ def slugify(value, allow_unicode=False) -> str:
         value = unicodedata.normalize('NFKC', value)
     else:
         value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore').decode('ascii')
-    value = re.sub(r'[^\w\s-]', '', value).strip().lower()
+    value = re.sub(r'[^\w\s-]', '_', value).strip().lower()
     return re.sub(r'[-\s]+', '-', value)