diff --git a/src/currency_core/currency_format_utils.cpp b/src/currency_core/currency_format_utils.cpp
index 2910bc8e..8ce14334 100644
--- a/src/currency_core/currency_format_utils.cpp
+++ b/src/currency_core/currency_format_utils.cpp
@@ -3632,7 +3632,7 @@ namespace currency
     return true;
   }
   //------------------------------------------------------------------
-  #define PASSWORD_REGEXP  R"([A-Za-z0-9~!?@#$%^&*_+|{}\[\]()<>:;"'\-=\\/.,]{0,40})"
+  #define PASSWORD_REGEXP  R"([A-Za-z0-9~!?@#$%^&*_+|{}\[\]()<>:;"'\-=/.,]{0,40})"
   bool validate_password(const std::string& password)
   {
     // OLD: static const std::string allowed_password_symbols = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz~!?@#$%^&*_+|{}[]()<>:;\"'-=\\/.,";