diff --git a/src/NLog/Config/LoggingConfigurationParser.cs b/src/NLog/Config/LoggingConfigurationParser.cs
index c8ee2b0b50..76ca91b02a 100644
--- a/src/NLog/Config/LoggingConfigurationParser.cs
+++ b/src/NLog/Config/LoggingConfigurationParser.cs
@@ -590,6 +590,9 @@ private LoggingRule ParseRuleElement(ILoggingConfigurationElement loggerElement)
                         else
                             ruleName = childProperty.Value;
                         break;
+                    case "RULENAME":
+                        ruleName = childProperty.Value; // Legacy Style
+                        break;
                     case "LOGGER":
                         namePattern = childProperty.Value;
                         break;