filename = git_path("FETCH_HEAD");
                fp = fopen(filename, "a");
                if (!fp)
-                       return error("cannot open %s: %s\n", filename, strerror(errno));
+                       return error("cannot open %s: %s", filename, strerror(errno));
                result = append_fetch_head(fp, argv[2], argv[3],
                                           argv[4], argv[5],
                                           argv[6], !!argv[7][0],
                filename = git_path("FETCH_HEAD");
                fp = fopen(filename, "a");
                if (!fp)
-                       return error("cannot open %s: %s\n", filename, strerror(errno));
+                       return error("cannot open %s: %s", filename, strerror(errno));
                result = fetch_native_store(fp, argv[2], argv[3], argv[4],
                                            verbose, force);
                fclose(fp);