diff --git a/cc/cc.go b/cc/cc.go
index 9bf9c84..9196d47 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -210,6 +210,7 @@
 	protoOptionsFile bool // Whether to look for a .options file next to the .proto
 
 	Yacc *YaccProperties
+	Lex  *LexProperties
 }
 
 // Properties used to compile all C or C++ modules