diff --git a/packages/editor-sdk/src/components/Form/ExpressionEditor/ExpressionEditor.tsx b/packages/editor-sdk/src/components/Form/ExpressionEditor/ExpressionEditor.tsx
index 9d261484..14b0c5ef 100644
--- a/packages/editor-sdk/src/components/Form/ExpressionEditor/ExpressionEditor.tsx
+++ b/packages/editor-sdk/src/components/Form/ExpressionEditor/ExpressionEditor.tsx
@@ -36,6 +36,7 @@ import tern, { Def } from 'tern';
 import { getTypeString } from '../../../utils/type';
 import ecmascript from '../../../constants/ecmascript';
 import { PREVENT_POPOVER_WIDGET_CLOSE_CLASS } from '../../../constants';
+import { stringify } from '../../../utils/object';
 
 injectGlobal`
   .CodeMirror-hints {
@@ -386,7 +387,7 @@ export const ExpressionEditor = React.forwardRef<
       <Box fontWeight="bold" marginBottom="4px">
         {error ? 'Error' : getTypeString(evaledValue?.value)}
       </Box>
-      {error || JSON.stringify(evaledValue?.value, null, 2)}
+      {error || stringify(evaledValue?.value)}
     </Box>
   );
 
diff --git a/packages/editor-sdk/src/utils/object.ts b/packages/editor-sdk/src/utils/object.ts
new file mode 100644
index 00000000..8afc7f32
--- /dev/null
+++ b/packages/editor-sdk/src/utils/object.ts
@@ -0,0 +1,17 @@
+function stringify(obj: unknown) {
+  const cache: unknown[] = [];
+
+  JSON.stringify(obj, (_, value) => {
+    if (typeof value === 'object' && value !== null) {
+      // Duplicate reference found, discard key
+      if (cache.includes(value)) return;
+
+      // Store value in our collection
+      cache.push(value);
+    }
+
+    return value;
+  });
+}
+
+export { stringify };