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-rw-r--r--lib/devise/ldap_authenticatable.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/devise/ldap_authenticatable.rb b/lib/devise/ldap_authenticatable.rb
index ef786fbb7..534c7a851 100644
--- a/lib/devise/ldap_authenticatable.rb
+++ b/lib/devise/ldap_authenticatable.rb
@@ -24,7 +24,8 @@ module Devise
             connect_timeout: 10
           )
 
-          if (user_info = ldap.bind_as(base: Devise.ldap_base, filter: "(#{Devise.ldap_uid}=#{email})", password: password))
+          filter = format(Devise.ldap_search_filter, uid: Devise.ldap_uid, email: email)
+          if (user_info = ldap.bind_as(base: Devise.ldap_base, filter: filter, password: password))
             user = User.ldap_get_user(user_info.first)
             success!(user)
           else