diff --git a/contrib/pg_upgrade/util.c b/contrib/pg_upgrade/util.c new file mode 100644 index 1c71204..2c0dfd6 *** a/contrib/pg_upgrade/util.c --- b/contrib/pg_upgrade/util.c *************** pg_log(eLogType type, char *fmt,...) *** 78,84 **** va_end(args); /* PG_VERBOSE is only output in verbose mode */ ! if (type != PG_VERBOSE || log_opts.verbose) { fwrite(message, strlen(message), 1, log_opts.internal); /* if we are using OVERWRITE_MESSAGE, add newline to log file */ --- 78,85 ---- va_end(args); /* PG_VERBOSE is only output in verbose mode */ ! /* fopen() on log_opts.internal might have failed, so check it */ ! if ((type != PG_VERBOSE || log_opts.verbose) && log_opts.internal != NULL) { fwrite(message, strlen(message), 1, log_opts.internal); /* if we are using OVERWRITE_MESSAGE, add newline to log file */