1 files changed, 1 insertions, 1 deletions
diff --git a/merge.c b/merge.c
index 04396d6..e5a5f64 100644
--- a/merge.c
+++ b/merge.c
@@ -90,7 +90,7 @@ int main(int argc, char *argv[]) {
         if (!lenA || !lenB) errx(EX_IOERR, "different size inputs");
 
         if (tileA.modify == tileB.modify) {
-            ssize_t lenC = writeAll(c, (char *)&tileA, sizeof(tileA));
+            ssize_t lenC = writeAll(c, (char *)&tileB, sizeof(tileB));
             if (lenC < 0) err(EX_IOERR, "%s", argv[3]);
             continue;
         }