diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/events/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/events/index.ts
index b9b734697b..29a3ef9938 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/events/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/events/index.ts
@@ -1 +1 @@
-export * from './property-value-change.event';
+export * from './property-value-change.event.js';
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/index.ts
index 6833ef2bcd..c9e077e01e 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/index.ts
@@ -1,2 +1,2 @@
-export * from './types';
-export * from './events';
+export * from './types/index.js';
+export * from './events/index.js';
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/types/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/types/index.ts
index 8865f4e376..97979c4c68 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/types/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/property-editors/types/index.ts
@@ -1 +1 @@
-export * from './data-type-config.type';
+export * from './data-type-config.type.js';
diff --git a/src/Umbraco.Web.UI.Client/src/tsconfig.json b/src/Umbraco.Web.UI.Client/src/tsconfig.json
index 911e636ad2..cee90ae9fd 100644
--- a/src/Umbraco.Web.UI.Client/src/tsconfig.json
+++ b/src/Umbraco.Web.UI.Client/src/tsconfig.json
@@ -6,7 +6,7 @@
     "outDir": "../dist-cms",
     "rootDir": "./",
     "composite": true,
-		"sourceMap": true,
+		"sourceMap": false,
 		"declaration": true,
     "resolveJsonModule": true,
   },