--- src/callbacks.c 2008-12-21 15:02:29.000000000 +0100 +++ src/callbacks.c.oden 2008-12-21 15:02:20.000000000 +0100 @@ -124,7 +124,7 @@ normal_non_fatal_error_callback(int in_e in_isapnp_error, strerror(in_errno)); } else if (ISAPNP_E_PRINT_PROGRESS_REPORT_BUF == in_isapnp_error) { - fprintf(stderr, progress_report_buf); + fprintf(stderr, "%s", progress_report_buf); } else { if (0 == in_errno) {