1 files changed, 1 insertions, 1 deletions
diff --git a/twiddle.c b/twiddle.c
index 5209606..b03ca01 100644
--- a/twiddle.c
+++ b/twiddle.c
@@ -521,7 +521,7 @@ static char *game_text_format(game_state *state)
      */
     maxlen = state->h * state->w * (col+o+1);
 
-    ret = snewn(maxlen, char);
+    ret = snewn(maxlen+1, char);
     p = ret;
 
     for (y = 0; y < state->h; y++) {