1 files changed, 1 insertions, 1 deletions

diff --git a/src/parser.c b/src/parser.c
index d2832a1..e5114dc 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -236,7 +236,7 @@ tokdel(int beg, int end)
      if (end >= beg) {
           if (end < tos)
                memmove(token_stack + beg, token_stack + end + 1,
-                       (end - beg + 1) * sizeof(token_stack[0]));
+                       (tos - end - 1) * sizeof(token_stack[0]));
           tos -= (end - beg + 1);
      }
 }