diff --git a/midx.c b/midx.c
index 9e43216d09..939e8fa391 100644
--- a/midx.c
+++ b/midx.c
@@ -157,12 +157,10 @@ struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local
 
 		cur_pack_name += strlen(cur_pack_name) + 1;
 
-		if (i && strcmp(m->pack_names[i], m->pack_names[i - 1]) <= 0) {
-			error(_("multi-pack-index pack names out of order: '%s' before '%s'"),
+		if (i && strcmp(m->pack_names[i], m->pack_names[i - 1]) <= 0)
+			die(_("multi-pack-index pack names out of order: '%s' before '%s'"),
 			      m->pack_names[i - 1],
 			      m->pack_names[i]);
-			goto cleanup_fail;
-		}
 	}
 
 	return m;
diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh
index c54b6e7188..01a3cd6b00 100755
--- a/t/t5319-multi-pack-index.sh
+++ b/t/t5319-multi-pack-index.sh
@@ -181,6 +181,11 @@ MIDX_BYTE_CHUNK_COUNT=6
 MIDX_HEADER_SIZE=12
 MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE
 MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4))
+MIDX_NUM_CHUNKS=5
+MIDX_CHUNK_LOOKUP_WIDTH=12
+MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \
+			 $MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH))
+MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2))
 
 test_expect_success 'verify bad version' '
 	corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \
@@ -212,6 +217,11 @@ test_expect_success 'verify invalid chunk offset' '
 		"invalid chunk offset (too large)"
 '
 
+test_expect_success 'verify packnames out of order' '
+	corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \
+		"pack names out of order"
+'
+
 test_expect_success 'repack removes multi-pack-index' '
 	test_path_is_file $objdir/pack/multi-pack-index &&
 	git repack -adf &&