diff --git a/hyracks/hyracks-test-support/src/main/java/edu/uci/ics/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java b/hyracks/hyracks-test-support/src/main/java/edu/uci/ics/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
index e37a95d..87fd1e1 100644
--- a/hyracks/hyracks-test-support/src/main/java/edu/uci/ics/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
+++ b/hyracks/hyracks-test-support/src/main/java/edu/uci/ics/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
@@ -86,7 +86,11 @@
 
         // 4 batches per thread.
         int batchSize = (NUM_OPERATIONS / numThreads) / 4;
-
+        if (batchSize < 1) {
+            // Can happen on a machine with large number of CPU cores, like
+            // the Jenkins server
+            batchSize = 1;
+        }
         IndexMultiThreadTestDriver driver = new IndexMultiThreadTestDriver(index, workerFactory, fieldSerdes, conf.ops,
                 conf.opProbs);
         driver.init();