diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java
index d1a1008..7ac1431 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/result/JobResultCallback.java
@@ -100,7 +100,7 @@
             metadata.setQueueWaitTimeInNanos(run.getJobProfile().getQueueWaitTimeInNanos());
         }
         metadata.setProcessedObjects(processedObjects);
-        metadata.setBufferCacheHitRatio(pagesRead > 0 ? (pagesRead - nonPagedReads) / pagesRead : Double.NaN);
+        metadata.setBufferCacheHitRatio(pagesRead > 0 ? (pagesRead - nonPagedReads) / (double) pagesRead : Double.NaN);
         metadata.setWarnings(AggregateWarnings);
         metadata.setTotalWarningsCount(aggregateTotalWarningsCount);
         if (run != null && run.getFlags() != null && run.getFlags().contains(JobFlag.PROFILE_RUNTIME)) {