diff --git a/Source/Core/Resources/UDMF.cfg b/Source/Core/Resources/UDMF.cfg
index e49dd47f..e9d18f15 100755
--- a/Source/Core/Resources/UDMF.cfg
+++ b/Source/Core/Resources/UDMF.cfg
@@ -28,6 +28,13 @@ managedfields
 		arg4;
 		sidefront;
 		sideback;
+		arg5;
+		arg6;
+		arg7;
+		arg8;
+		arg9;
+		stringarg1;
+		stringarg2;
 	}
 	
 	sidedef
@@ -78,7 +85,14 @@ managedfields
 		arg1;
 		arg2;
 		arg3;
-		arg4;		
+		arg4;	
+		arg5;
+		arg6;
+		arg7;
+		arg8;
+		arg9;	
+		stringarg1;
+		stringarg2;
 	}
 }