diff --git a/builtin/merge.c b/builtin/merge.c
index 7158e8e2d2..99f1429b35 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -1253,6 +1253,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
 			    sha1_to_hex(commit->object.sha1));
 		setenv(buf.buf, argv[i], 1);
 		strbuf_reset(&buf);
+		if (merge_remote_util(commit) &&
+		    merge_remote_util(commit)->obj &&
+		    merge_remote_util(commit)->obj->type == OBJ_TAG) {
+			option_edit = 1;
+			allow_fast_forward = 0;
+		}
 	}
 
 	if (!use_strategies) {