diff --git a/modules/angular2/src/common/pipes/invalid_pipe_argument_exception.ts b/modules/angular2/src/common/pipes/invalid_pipe_argument_exception.ts
index 9e414607bd..b3a8311f90 100644
--- a/modules/angular2/src/common/pipes/invalid_pipe_argument_exception.ts
+++ b/modules/angular2/src/common/pipes/invalid_pipe_argument_exception.ts
@@ -1,8 +1,8 @@
-import {CONST, Type} from 'angular2/src/facade/lang';
+import {CONST, Type, stringify} from 'angular2/src/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 
 export class InvalidPipeArgumentException extends BaseException {
   constructor(type: Type, value: Object) {
-    super(`Invalid argument '${value}' for pipe '${type}'`);
+    super(`Invalid argument '${value}' for pipe '${stringify(type)}'`);
   }
 }