diff --git a/src/common/di_ops.c b/src/common/di_ops.c
index 14a1443400..f03b2b75ec 100644
--- a/src/common/di_ops.c
+++ b/src/common/di_ops.c
@@ -130,6 +130,7 @@ tor_memeq(const void *a, const void *b, size_t sz)
    *            1 & ((any_difference - 1) >> 8) == 0
    */
 
+  /*coverity[overflow]*/
   return 1 & ((any_difference - 1) >> 8);
 }