diff --git a/asterix-maven-plugins/record-manager-generator-maven-plugin/src/main/resources/TypeUtil.java b/asterix-maven-plugins/record-manager-generator-maven-plugin/src/main/resources/TypeUtil.java
index 9571156..c1423a1 100644
--- a/asterix-maven-plugins/record-manager-generator-maven-plugin/src/main/resources/TypeUtil.java
+++ b/asterix-maven-plugins/record-manager-generator-maven-plugin/src/main/resources/TypeUtil.java
@@ -25,7 +25,7 @@
         public static long build(int arenaId, int allocId, int localId) {
             long result = arenaId;
             result = result << 48;
-            result |= (allocId << 32);
+            result |= (((long)allocId) << 32);
             result |= localId;
             return result;
         }