diff --git a/src/Umbraco.Web.UI.Client/schemas/api/api.yml b/src/Umbraco.Web.UI.Client/schemas/api/api.yml
index a1d30f5e82..7baab5d998 100644
--- a/src/Umbraco.Web.UI.Client/schemas/api/api.yml
+++ b/src/Umbraco.Web.UI.Client/schemas/api/api.yml
@@ -631,6 +631,16 @@ components:
         - label
         - alias
         - propertyEditorUI
+    PropertyEditorConfigDefaultData:
+      type: object
+      properties:
+        alias:
+          type: string
+        value:
+          type: object
+      required:
+        - alias
+        - value
     PropertyEditorConfig:
       type: object
       properties:
@@ -639,7 +649,9 @@ components:
           items:
             $ref: '#/components/schemas/PropertyEditorConfigProperty'
         defaultData:
-          type: object
+          type: array
+          items:
+            $ref: '#/components/schemas/PropertyEditorConfigDefaultData'
       required:
         - properties
     MetaPropertyEditorUI:
@@ -996,7 +1008,9 @@ components:
           items:
             $ref: '#/components/schemas/PropertyEditorConfigProperty'
         defaultData:
-          type: object
+          type: array
+          items:
+            $ref: '#/components/schemas/PropertyEditorConfigDefaultData'
       required:
         - properties
     ServerStatus:
diff --git a/src/Umbraco.Web.UI.Client/schemas/generated-schema.ts b/src/Umbraco.Web.UI.Client/schemas/generated-schema.ts
index a1de5e9632..dc851d486a 100644
--- a/src/Umbraco.Web.UI.Client/schemas/generated-schema.ts
+++ b/src/Umbraco.Web.UI.Client/schemas/generated-schema.ts
@@ -188,9 +188,13 @@ export interface components {
       alias: string;
       propertyEditorUI: string;
     };
+    PropertyEditorConfigDefaultData: {
+      alias: string;
+      value: { [key: string]: unknown };
+    };
     PropertyEditorConfig: {
       properties: components["schemas"]["PropertyEditorConfigProperty"][];
-      defaultData?: { [key: string]: unknown };
+      defaultData?: components["schemas"]["PropertyEditorConfigDefaultData"][];
     };
     MetaPropertyEditorUI: {
       label: string;
@@ -329,7 +333,7 @@ export interface components {
     };
     PropertyEditorConfigResponse: {
       properties: components["schemas"]["PropertyEditorConfigProperty"][];
-      defaultData?: { [key: string]: unknown };
+      defaultData?: components["schemas"]["PropertyEditorConfigDefaultData"][];
     };
     /** @enum {string} */
     ServerStatus: "running" | "must-install" | "must-upgrade";
diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/property-editors/shared/property-editor-config/property-editor-config.element.ts b/src/Umbraco.Web.UI.Client/src/backoffice/property-editors/shared/property-editor-config/property-editor-config.element.ts
index 7e3b57baa3..13e1931140 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/property-editors/shared/property-editor-config/property-editor-config.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/property-editors/shared/property-editor-config/property-editor-config.element.ts
@@ -7,7 +7,7 @@ import { UmbContextConsumerMixin } from '../../../../core/context';
 import { UmbExtensionRegistry } from '../../../../core/extension';
 import { UmbPropertyEditorConfigStore } from '../../../../core/stores/property-editor-config/property-editor-config.store';
 
-import type { PropertyEditorConfigProperty } from '../../../../core/models';
+import type { PropertyEditorConfigDefaultData, PropertyEditorConfigProperty } from '../../../../core/models';
 
 import '../../../components/entity-property/entity-property.element';
 
@@ -40,13 +40,15 @@ export class UmbPropertyEditorConfigElement extends UmbContextConsumerMixin(LitE
 	}
 
 	@property({ type: Array })
-	public data: Array<any> = [];
+	public data: Array<{ alias: string; value: unknown }> = [];
 
 	@state()
 	private _properties: Array<PropertyEditorConfigProperty> = [];
 
-	private _propertyEditorConfigDefaultData?: any;
-	private _propertyEditorUIConfigDefaultData?: any;
+	private _propertyEditorConfigDefaultData: Array<PropertyEditorConfigDefaultData> = [];
+	private _propertyEditorUIConfigDefaultData: Array<PropertyEditorConfigDefaultData> = [];
+
+	private _configDefaultData?: Array<PropertyEditorConfigDefaultData>;
 
 	private _propertyEditorConfigProperties: Array<PropertyEditorConfigProperty> = [];
 	private _propertyEditorUIConfigProperties: Array<PropertyEditorConfigProperty> = [];
@@ -81,8 +83,9 @@ export class UmbPropertyEditorConfigElement extends UmbContextConsumerMixin(LitE
 			.subscribe((propertyEditorConfig) => {
 				if (!propertyEditorConfig) return;
 				this._propertyEditorConfigProperties = propertyEditorConfig?.config?.properties || [];
-				this._propertyEditorConfigDefaultData = propertyEditorConfig?.config?.defaultData || {};
-				this._applyProperties();
+				this._mergeProperties();
+				this._propertyEditorConfigDefaultData = propertyEditorConfig?.config?.defaultData || [];
+				this._mergeDefaultData();
 			});
 	}
 
@@ -94,21 +97,24 @@ export class UmbPropertyEditorConfigElement extends UmbContextConsumerMixin(LitE
 		this._extensionRegistry?.getByAlias(this.propertyEditorUIAlias).subscribe((manifest) => {
 			if (manifest?.type === 'propertyEditorUI') {
 				this._propertyEditorUIConfigProperties = manifest?.meta.config?.properties || [];
-				this._propertyEditorUIConfigDefaultData = manifest?.meta.config?.defaultData || {};
-				this._applyProperties();
+				this._mergeProperties();
+				this._propertyEditorUIConfigDefaultData = manifest?.meta.config?.defaultData || [];
+				this._mergeDefaultData();
 			}
 		});
 	}
 
-	private _applyProperties() {
+	private _mergeProperties() {
 		this._properties = [...this._propertyEditorConfigProperties, ...this._propertyEditorUIConfigProperties];
 	}
 
+	private _mergeDefaultData() {
+		this._configDefaultData = [...this._propertyEditorConfigDefaultData, ...this._propertyEditorUIConfigDefaultData];
+	}
+
 	private _getValue(property: PropertyEditorConfigProperty) {
 		const value = this.data.find((data) => data.alias === property.alias)?.value;
-		const defaultValue =
-			this._propertyEditorConfigDefaultData?.[property.alias] ||
-			this._propertyEditorUIConfigDefaultData?.[property.alias];
+		const defaultValue = this._configDefaultData?.find((data) => data.alias === property.alias)?.value;
 		return value || defaultValue || null;
 	}
 
diff --git a/src/Umbraco.Web.UI.Client/src/core/models/index.ts b/src/Umbraco.Web.UI.Client/src/core/models/index.ts
index 2da1cc6ad7..0c64b04e82 100644
--- a/src/Umbraco.Web.UI.Client/src/core/models/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/core/models/index.ts
@@ -38,6 +38,7 @@ export type PropertyEditorConfigResponse = components['schemas']['PropertyEditor
 export type PropertyEditorConfig = components['schemas']['PropertyEditorConfig'];
 export type PropertyEditor = components['schemas']['PropertyEditor'];
 export type PropertyEditorConfigProperty = components['schemas']['PropertyEditorConfigProperty'];
+export type PropertyEditorConfigDefaultData = components['schemas']['PropertyEditorConfigDefaultData'];
 
 export type ManifestElementType =
 	| ManifestSection
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/data/property-editor.data.ts b/src/Umbraco.Web.UI.Client/src/mocks/data/property-editor.data.ts
index ded001b6f9..180980c83b 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/data/property-editor.data.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/data/property-editor.data.ts
@@ -157,9 +157,12 @@ export const data: Array<PropertyEditor> = [
 					propertyEditorUI: 'Umb.PropertyEditorUI.Textarea',
 				},
 			],
-			defaultData: {
-				maxChars: 512,
-			},
+			defaultData: [
+				{
+					alias: 'maxChars',
+					value: '512',
+				},
+			],
 		},
 	},
 	{
diff --git a/src/Umbraco.Web.UI.Client/src/temp-internal-manifests.ts b/src/Umbraco.Web.UI.Client/src/temp-internal-manifests.ts
index 8553e0b89a..252ba481a9 100644
--- a/src/Umbraco.Web.UI.Client/src/temp-internal-manifests.ts
+++ b/src/Umbraco.Web.UI.Client/src/temp-internal-manifests.ts
@@ -195,9 +195,12 @@ export const internalManifests: Array<ManifestTypes & { loader: () => Promise<ob
 						propertyEditorUI: 'Umb.PropertyEditorUI.Text',
 					},
 				],
-				defaultData: {
-					someConfiguration: 'Hello Default World',
-				},
+				defaultData: [
+					{
+						alias: 'someConfiguration',
+						value: 'Some default value',
+					},
+				],
 			},
 		},
 	},
diff --git a/src/Umbraco.Web.UI.Client/temp-schema-generator/property-editors.ts b/src/Umbraco.Web.UI.Client/temp-schema-generator/property-editors.ts
index aaf771621c..2ab8db1f34 100644
--- a/src/Umbraco.Web.UI.Client/temp-schema-generator/property-editors.ts
+++ b/src/Umbraco.Web.UI.Client/temp-schema-generator/property-editors.ts
@@ -64,7 +64,7 @@ export interface PropertyEditor {
 
 export interface PropertyEditorConfig {
 	properties: PropertyEditorConfigProperty[];
-	defaultData?: {};
+	defaultData?: PropertyEditorConfigDefaultData[];
 }
 
 export interface PropertyEditorConfigProperty {
@@ -73,3 +73,8 @@ export interface PropertyEditorConfigProperty {
 	alias: string;
 	propertyEditorUI: string;
 }
+
+export interface PropertyEditorConfigDefaultData {
+	alias: string;
+	value: {};
+}