diff --git a/usr.bin/etdump/etdump.c b/usr.bin/etdump/etdump.c
index aedd53a9f6d..e536aa5e51c 100644
--- a/usr.bin/etdump/etdump.c
+++ b/usr.bin/etdump/etdump.c
@@ -262,7 +262,7 @@ main(int argc, char **argv)
 		} else {
 			iso = fopen(argv[i], "r");
 			if (iso == NULL)
-				err(1, "could not open %s", argv[1]);
+				err(1, "could not open %s", argv[i]);
 		}
 		dump_eltorito(iso, argv[i], outfile, outputter);
 	}