1 files changed, 1 insertions, 1 deletions
diff --git a/src/tac.c b/src/tac.c
index b50382d42..2bf8ad21d 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -664,7 +664,7 @@ main (int argc, char **argv)
   G_buffer = xmalloc (G_buffer_size);
   if (sentinel_length)
     {
-      strcpy (G_buffer, separator);
+      memcpy (G_buffer, separator, sentinel_length + 1);
       G_buffer += sentinel_length;
     }
   else