1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 4e99b6bdb..842331a84 100755
--- a/Makefile
+++ b/Makefile
@@ -391,7 +391,7 @@ ast_expr2.c:
 	bison -d --name-prefix=ast_yy ast_expr2.y -o ast_expr2.c
 
 ast_expr2f.c:
-	flex ast_expr2.fl
+	flex --full ast_expr2.fl
 
 testexpr2: ast_expr2f.c ast_expr2.c ast_expr2.h
 	gcc -g -c -DSTANDALONE ast_expr2f.c