diff --git a/src/main/java/com/mengcraft/simpleorm/FluxWorkers.java b/src/main/java/com/mengcraft/simpleorm/FluxWorkers.java
index a988b37..fd76a61 100644
--- a/src/main/java/com/mengcraft/simpleorm/FluxWorkers.java
+++ b/src/main/java/com/mengcraft/simpleorm/FluxWorkers.java
@@ -41,7 +41,7 @@ public Executor of() {
 
     public Executor of(String ns) {
         cursor++;
-        return workers.get(ns.hashCode() % size);
+        return workers.get((ns.hashCode() & Integer.MAX_VALUE) % size);
     }
 
     @Override