else if (CONST_STRNEQ (p, "insnlength"))
option_use_insn_len_bits_p = 1;
else
- fprintf (stderr, "Unknown S/390 disassembler option: %s\n", p);
+ /* xgettext:c-format */
+ opcodes_error_handler (_("unknown S/390 disassembler option: %s"), p);
p = strchr (p, ',');
if (p != NULL)