diff --git a/packages/editor-ui/src/components/__snapshots__/RunDataSchema.test.ts.snap b/packages/editor-ui/src/components/__snapshots__/RunDataSchema.test.ts.snap
index 7c0520715b..539a9c7c3a 100644
--- a/packages/editor-ui/src/components/__snapshots__/RunDataSchema.test.ts.snap
+++ b/packages/editor-ui/src/components/__snapshots__/RunDataSchema.test.ts.snap
@@ -894,7 +894,7 @@ exports[`RunDataSchema.vue > renders schema with spaces and dots 1`] = `
           <div
             class="pill"
             data-depth="1"
-            data-name="0[test]"
+            data-name="test"
             data-nest-level="3"
             data-node-type="n8n-nodes-base.set"
             data-path="['hello world'][0].test"
@@ -932,7 +932,7 @@ exports[`RunDataSchema.vue > renders schema with spaces and dots 1`] = `
               
               <span>
                 <!--v-if-->
-                0[test]
+                test
               </span>
               
             </span>
@@ -963,7 +963,7 @@ exports[`RunDataSchema.vue > renders schema with spaces and dots 1`] = `
           <div
             class="pill"
             data-depth="1"
-            data-name="test[more to think about]"
+            data-name="more to think about"
             data-nest-level="4"
             data-node-type="n8n-nodes-base.set"
             data-path="['hello world'][0].test['more to think about']"
@@ -1001,7 +1001,7 @@ exports[`RunDataSchema.vue > renders schema with spaces and dots 1`] = `
               
               <span>
                 <!--v-if-->
-                test[more to think about]
+                more to think about
               </span>
               
             </span>
@@ -1037,7 +1037,7 @@ exports[`RunDataSchema.vue > renders schema with spaces and dots 1`] = `
           <div
             class="pill"
             data-depth="1"
-            data-name="0[test.how]"
+            data-name="test.how"
             data-nest-level="3"
             data-node-type="n8n-nodes-base.set"
             data-path="['hello world'][0]['test.how']"
@@ -1075,7 +1075,7 @@ exports[`RunDataSchema.vue > renders schema with spaces and dots 1`] = `
               
               <span>
                 <!--v-if-->
-                0[test.how]
+                test.how
               </span>
               
             </span>
diff --git a/packages/editor-ui/src/composables/useDataSchema.ts b/packages/editor-ui/src/composables/useDataSchema.ts
index 7bc6d19abc..b661c98d87 100644
--- a/packages/editor-ui/src/composables/useDataSchema.ts
+++ b/packages/editor-ui/src/composables/useDataSchema.ts
@@ -297,7 +297,7 @@ export const useFlattenSchema = () => {
 			return items.concat(
 				schema.value
 					.map((item) => {
-						const itemPrefix = ['array', 'object'].includes(schema.type) ? schema.key : '';
+						const itemPrefix = schema.type === 'array' ? schema.key : '';
 						return flattenSchema({
 							schema: item,
 							node,