diff --git a/jdk/src/java.base/share/classes/java/util/Collections.java b/jdk/src/java.base/share/classes/java/util/Collections.java
index 02d656cb574..22b4557ae2f 100644
--- a/jdk/src/java.base/share/classes/java/util/Collections.java
+++ b/jdk/src/java.base/share/classes/java/util/Collections.java
@@ -4859,7 +4859,7 @@ public class Collections {
         }
         @Override
         public int hashCode() {
-            return Objects.hashCode(element);
+            return 31 + Objects.hashCode(element);
         }
     }