diff --git a/tests/runtests.pl b/tests/runtests.pl
index 77787dc3f0..4cd390b5d5 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -2108,7 +2108,7 @@ sub singletest {
             $cmdres = 1000;
         }
         else {
-            $cmdres /= 256;
+            $cmdres >>= 8;
         }
     }
     if(!$dumped_core) {