diff --git a/src/avr.c b/src/avr.c
index e5d68ef6..98ba37ac 100644
--- a/src/avr.c
+++ b/src/avr.c
@@ -1422,8 +1422,8 @@ int avr_verify_mem(const PROGRAMMER *pgm, const AVRPART *p, const AVRPART *v, co
     }
   }
   if(verror)
-    imsg_info("  %d byte%s do not match caused by %d bit error%s of which %d set and %d cleared on device\n",
-      verror, str_plural(verror), biterrs, str_plural(biterrs), bitsset, biterrs-bitsset);
+    imsg_info("  %d byte%s do%s not match caused by %d bit error%s of which %d set and %d cleared on device\n",
+      verror, str_plural(verror), verror > 1? "": "es", biterrs, str_plural(biterrs), bitsset, biterrs-bitsset);
   if(verror && bitsset == 0 && mem_is_in_flash(a))
     imsg_info("  maybe flash was not erased beforehand or flash programming sections overlap?\n");