diff --git a/util/LLgen/src/gencode.c b/util/LLgen/src/gencode.c
index 05cff573..afb32fa1 100644
--- a/util/LLgen/src/gencode.c
+++ b/util/LLgen/src/gencode.c
@@ -238,6 +238,7 @@ generate(f) p_file f; {
 	register p_first ff;
 	int mustpop;
 
+	fprintf(fpars, "#define LL_LEXI %s\n", lexical);
 	listcount = 0;
 	/* Generate first sets */
 	for (ff = f->f_firsts; ff; ff = ff->ff_next) {