diff --git a/client/src/com/aerospike/client/lua/LuaMap.java b/client/src/com/aerospike/client/lua/LuaMap.java
index 0d9ed0cad..a69f153c1 100644
--- a/client/src/com/aerospike/client/lua/LuaMap.java
+++ b/client/src/com/aerospike/client/lua/LuaMap.java
@@ -41,7 +41,8 @@ public LuaMap(LuaInstance instance, Map<LuaValue,LuaValue> map) {
 	}
 
 	public LuaInteger size() {
-		return LuaInteger.valueOf(map.size());
+		int s = map.size();
+		return LuaInteger.valueOf(s);
 	}
 
 	public LuaString toLuaString() {