diff --git a/.changeset/silent-tires-fall.md b/.changeset/silent-tires-fall.md
new file mode 100644
index 0000000000..413287c485
--- /dev/null
+++ b/.changeset/silent-tires-fall.md
@@ -0,0 +1,7 @@
+---
+'@siemens/ix-angular': patch
+---
+
+Fixed an issue where **ix-tree** with a custom `renderItem` function would throw a runtime error ("TypeError: this.renderItem is not a function")
+
+Fixes #2274
diff --git a/packages/angular/src/tree.ts b/packages/angular/src/tree.ts
index bad1716739..23f9ff593f 100644
--- a/packages/angular/src/tree.ts
+++ b/packages/angular/src/tree.ts
@@ -14,11 +14,11 @@ import {
   ElementRef,
   NgZone,
 } from '@angular/core';
-import { ProxyCmp, proxyOutputs } from './angular-component-lib/utils';
 import { TreeBaseDirective } from '@siemens/ix-angular/common';
+import { ProxyCmp, proxyOutputs } from './angular-component-lib/utils';
 
 @ProxyCmp({
-  inputs: ['context', 'model', 'root', 'renderItem'],
+  inputs: ['context', 'model', 'root'],
 })
 @Component({
   selector: 'ix-tree',