diff --git a/Riot/Utils/PasswordValidator.swift b/Riot/Utils/PasswordValidator.swift
index 59c6e15d4..cb70c880e 100644
--- a/Riot/Utils/PasswordValidator.swift
+++ b/Riot/Utils/PasswordValidator.swift
@@ -71,7 +71,8 @@ enum PasswordValidatorRule: CustomStringConvertible, Hashable {
         case .containNumber:
             return password.range(of: "[0-9]", options: .regularExpression) != nil
         case .containSymbol:
-            return password.range(of: "[!\"#$%&'()*+,-.:;<=>?@\\_`{|}~\\[\\]]",
+            // bwi: #4952 support more special characters
+            return password.range(of: "[!\"#$§€%&'()*+,-.:;<=>?@\\_`{|}~\\[\\]]",
                                   options: .regularExpression) != nil
         }
     }