diff --git a/zdump.c b/zdump.c
index e9a42fd..a9d3831 100644
--- a/zdump.c
+++ b/zdump.c
@@ -309,14 +309,12 @@ abbrok(const char *const abbrp, const char *const zone)
 }
 
 static void
-close_file(FILE *stream, char const *name)
+close_file(FILE *stream)
 {
   char const *e = (ferror(stream) ? _("I/O error")
 		   : fclose(stream) != 0 ? strerror(errno) : NULL);
   if (e) {
     fprintf(stderr, "%s: ", progname);
-    if (name)
-      fprintf(stderr, "%s: ", name);
     fprintf(stderr, "%s\n", e);
     exit(EXIT_FAILURE);
   }
@@ -331,7 +329,7 @@ _("%s: usage: %s [--version] [--help] [-{vV}] [-{ct} [lo,]hi] zonename ...\n"
   "Report bugs to %s.\n"),
 		       progname, progname, REPORT_BUGS_TO);
 	if (status == EXIT_SUCCESS)
-	  close_file(stream, NULL);
+	  close_file(stream);
 	exit(status);
 }
 
@@ -525,7 +523,7 @@ main(int argc, char *argv[])
 			show(argv[i], t, TRUE);
 		}
 	}
-	close_file(stdout, NULL);
+	close_file(stdout);
 	if (errout && (ferror(stderr) || fclose(stderr) != 0))
 	  return EXIT_FAILURE;
 	return EXIT_SUCCESS;