diff --git a/libmaxsi/format.cpp b/libmaxsi/format.cpp
index 26e5dfd4..ccc59cad 100644
--- a/libmaxsi/format.cpp
+++ b/libmaxsi/format.cpp
@@ -169,8 +169,12 @@ namespace Maxsi
 							scanning = false;
 							break;
 						case 'z':
+						case 'l':
 							type |= WORDWIDTH;
 							break;
+						case 'j':
+							type |= BIT64;
+							break;
 						case 'u':
 							type |= UNSIGNED;
 							scanning = false;