diff --git a/PyTeX/format/enums.py b/PyTeX/format/enums.py
index 40857ab..786a658 100644
--- a/PyTeX/format/enums.py
+++ b/PyTeX/format/enums.py
@@ -8,6 +8,7 @@ class FormatterMode(Enum):
     drop = 1
     macrocode = 2
     macrocode_drop = 3
+    meta = 4
 
 
 class NamingScheme(Enum):