diff --git a/engine/table/src/main/java/io/deephaven/engine/table/impl/preview/DisplayWrapper.java b/engine/table/src/main/java/io/deephaven/engine/table/impl/preview/DisplayWrapper.java
index 913471b2f13..00b91d700ad 100644
--- a/engine/table/src/main/java/io/deephaven/engine/table/impl/preview/DisplayWrapper.java
+++ b/engine/table/src/main/java/io/deephaven/engine/table/impl/preview/DisplayWrapper.java
@@ -50,4 +50,9 @@ public boolean equals(Object obj) {
 
         return false;
     }
+
+    @Override
+    public int hashCode() {
+        return displayString.hashCode();
+    }
 }