diff --git a/.env.production.sample b/.env.production.sample
index e4ea861e7..f9a8bb7c1 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -178,7 +178,7 @@ STREAMING_CLUSTER_NUM=1
 # LDAP_BIND_DN=
 # LDAP_PASSWORD=
 # LDAP_UID=cn
-# LDAP_SEARCH_FILTER="%{uid}=%{email}"
+# LDAP_SEARCH_FILTER=%{uid}=%{email}
 
 # PAM authentication (optional)
 # PAM authentication uses for the email generation the "email" pam variable