diff --git a/mo/users.py b/mo/users.py
index bbfedf7f79469253d0576da0c69b93f68e1b4efe..bc5494b4754ce8d9e9ae075cf0e162fa5b7e07c5 100644
--- a/mo/users.py
+++ b/mo/users.py
@@ -294,7 +294,7 @@ def email_check_domain(domain: str):
 
 
 def normalize_email(addr: str, check_existence: bool = False, make_unique_nomail: bool = False) -> str:
-    if make_unique_nomail and addr.endswith('@nomail'):
+    if make_unique_nomail and addr == '@nomail':
         addr = base64.b32encode(secrets.token_bytes(10)).decode('US-ASCII').lower() + '@nomail'
 
     if '@' not in addr: