diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/AllEqualsExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/AllEqualsExpression.java
index bef1ee0bc..75d0504c0 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/AllEqualsExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/AllEqualsExpression.java
@@ -120,9 +120,9 @@ class AllEqualsExpression extends NonPrepareExpression {
   @Override
   public int queryBindHash() {
 
-    int hc = 31;
+    int hc = 92821;
     for (Object value : propMap.values()) {
-      hc = hc * 31 + (value == null ? 0 : value.hashCode());
+      hc = hc * 92821 + (value == null ? 0 : value.hashCode());
     }
 
     return hc;
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayContainsExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayContainsExpression.java
index a90c13cf7..a9b419c2c 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayContainsExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayContainsExpression.java
@@ -52,7 +52,7 @@ public class ArrayContainsExpression extends AbstractExpression {
   public int queryBindHash() {
     int hc = values[0].hashCode();
     for (int i = 1; i < values.length; i++) {
-      hc = hc * 31 + values[i].hashCode();
+      hc = hc * 92821 + values[i].hashCode();
     }
     return hc;
   }
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayIsEmptyExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayIsEmptyExpression.java
index 741fcf26f..818ffa57d 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayIsEmptyExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/ArrayIsEmptyExpression.java
@@ -30,7 +30,7 @@ public class ArrayIsEmptyExpression extends AbstractExpression {
 
   @Override
   public int queryBindHash() {
-    return empty ? 0 : 31;
+    return empty ? 0 : 92821;
   }
 
   @Override
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/BetweenExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/BetweenExpression.java
index a07970e8d..4d46dbafd 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/BetweenExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/BetweenExpression.java
@@ -54,7 +54,7 @@ class BetweenExpression extends AbstractExpression {
   @Override
   public int queryBindHash() {
     int hc = low().hashCode();
-    hc = hc * 31 + high().hashCode();
+    hc = hc * 92821 + high().hashCode();
     return hc;
   }
 
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExampleExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExampleExpression.java
index 63ce7c23c..f6060a649 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExampleExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExampleExpression.java
@@ -230,9 +230,8 @@ public class DefaultExampleExpression implements SpiExpression, ExampleExpressio
   public int queryBindHash() {
     int hc = DefaultExampleExpression.class.getName().hashCode();
     for (int i = 0; i < list.size(); i++) {
-      hc = hc * 31 + list.get(i).queryBindHash();
+      hc = hc * 92821 + list.get(i).queryBindHash();
     }
-
     return hc;
   }
 
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExpressionList.java b/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExpressionList.java
index e1e289523..8b28e2706 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExpressionList.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/DefaultExpressionList.java
@@ -511,7 +511,7 @@ public class DefaultExpressionList<T> implements SpiExpressionList<T> {
   public int queryBindHash() {
     int hash = DefaultExpressionList.class.getName().hashCode();
     for (int i = 0, size = list.size(); i < size; i++) {
-      hash = hash * 31 + list.get(i).queryBindHash();
+      hash = hash * 92821 + list.get(i).queryBindHash();
     }
     return hash;
   }
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/InExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/InExpression.java
index 3352850da..682fdfcc6 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/InExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/InExpression.java
@@ -119,9 +119,9 @@ class InExpression extends AbstractExpression {
 
   @Override
   public int queryBindHash() {
-    int hc = 31;
+    int hc = 92821;
     for (int i = 0; i < bindValues.length; i++) {
-      hc = 31 * hc + bindValues[i].hashCode();
+      hc = 92821 * hc + bindValues[i].hashCode();
     }
     return hc;
   }
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/JsonPathExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/JsonPathExpression.java
index 778bbad18..4c0fce9c0 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/JsonPathExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/JsonPathExpression.java
@@ -79,7 +79,7 @@ class JsonPathExpression extends AbstractExpression {
   @Override
   public int queryBindHash() {
     int hc = (value == null) ? 0 : value.hashCode();
-    hc = (upperValue == null) ? hc : hc * 31 + upperValue.hashCode();
+    hc = (upperValue == null) ? hc : hc * 92821 + upperValue.hashCode();
     return hc;
   }
 
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/JunctionExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/JunctionExpression.java
index 2b852a1dc..b7556fd96 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/JunctionExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/JunctionExpression.java
@@ -204,7 +204,7 @@ class JunctionExpression<T> implements SpiJunction<T>, SpiExpression, Expression
     int hc = JunctionExpression.class.getName().hashCode();
     List<SpiExpression> list = exprList.internalList();
     for (int i = 0; i < list.size(); i++) {
-      hc = hc * 31 + list.get(i).queryBindHash();
+      hc = hc * 92821 + list.get(i).queryBindHash();
     }
     return hc;
   }
diff --git a/src/main/java/com/avaje/ebeaninternal/server/expression/LogicExpression.java b/src/main/java/com/avaje/ebeaninternal/server/expression/LogicExpression.java
index 44281d369..b2e0913f9 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/expression/LogicExpression.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/expression/LogicExpression.java
@@ -146,7 +146,7 @@ abstract class LogicExpression implements SpiExpression {
   @Override
   public int queryBindHash() {
     int hc = expOne.queryBindHash();
-    hc = hc * 31 + expTwo.queryBindHash();
+    hc = hc * 92821 + expTwo.queryBindHash();
     return hc;
   }