diff --git a/src/tools/chdman.c b/src/tools/chdman.c
index c71f7d2b94d..9eee05b8826 100644
--- a/src/tools/chdman.c
+++ b/src/tools/chdman.c
@@ -2588,7 +2588,10 @@ static void do_extract_ld(parameters_t &params)
 			// read the hunk into the buffers
 			chd_error err = input_chd.read_hunk(framenum, NULL);
 			if (err != CHDERR_NONE)
-				report_error(1, "Error reading hunk %" I64FMT "d from CHD file (%s): %s\n", framenum, params.find(OPTION_INPUT)->cstr(), chd_file::error_string(err));
+			{
+				UINT64 filepos = core_ftell(input_chd);
+				report_error(1, "Error reading hunk %" I64FMT "d at offset %" I64FMT "d from CHD file (%s): %s\n", framenum, filepos, params.find(OPTION_INPUT)->cstr(), chd_file::error_string(err));
+			}
 
 			// write audio
 			for (int chnum = 0; chnum < channels; chnum++)