diff --git a/js-assembler/runtime-src/runtime.js b/js-assembler/runtime-src/runtime.js
index b43d467..3e6d7f0 100644
--- a/js-assembler/runtime-src/runtime.js
+++ b/js-assembler/runtime-src/runtime.js
@@ -636,7 +636,7 @@
 			       observedDelay) /
 			      DESIRED_DELAY_BETWEEN_BOUNCES));
 	MACHINE.params.maxNumBouncesBeforeYield =
-            Math.max(MACHINE.params.maxNumBouncesBeforeYield + delta,
+            Math.max(Math.floor(MACHINE.params.maxNumBouncesBeforeYield + delta),
                      1);
     };