diff --git a/include/lffiles.h b/include/lffiles.h
index a2bfcdf7f..c55508a4f 100755
--- a/include/lffiles.h
+++ b/include/lffiles.h
@@ -46,6 +46,7 @@
 #define LF_QUAH                 43
 #define LF_QUAA                 44
 #define LF_DIPEND               45
+#define LF_DETH                 46
 
 #define CNF_GENERAL 10000
 #define CNF_STUDIO  CNF_GENERAL + 1