diff --git a/persistit/core/src/main/java/com/persistit/IOMeter.java b/persistit/core/src/main/java/com/persistit/IOMeter.java
index 6773ab7fd..65d2a79ba 100644
--- a/persistit/core/src/main/java/com/persistit/IOMeter.java
+++ b/persistit/core/src/main/java/com/persistit/IOMeter.java
@@ -280,7 +280,7 @@ private void dump(final DataInputStream is, final int count, final boolean analy
                 if (analyzePages
                         && (op == WRITE_PAGE_TO_JOURNAL || op == READ_PAGE_FROM_JOURNAL || op == READ_PAGE_FROM_VOLUME
                                 || op == COPY_PAGE_FROM_JOURNAL || op == COPY_PAGE_TO_VOLUME || op == EVICT_PAGE_FROM_POOL)) {
-                    final long handle = (volumeHandle << 48) + pageAddress;
+                    final long handle = ((long) volumeHandle << 48) + pageAddress;
                     List<Event> list = events.get(handle);
                     if (list == null) {
                         list = new ArrayList<Event>(2);