diff --git a/modules/angular2/src/compiler/html_parser.ts b/modules/angular2/src/compiler/html_parser.ts
index 56b522f559..0bd124cbe4 100644
--- a/modules/angular2/src/compiler/html_parser.ts
+++ b/modules/angular2/src/compiler/html_parser.ts
@@ -150,7 +150,7 @@ class TreeBuilder {
       // parse everything in between { and }
       let parsedExp = new TreeBuilder(exp).build();
       if (parsedExp.errors.length > 0) {
-        this.errors = this.errors.concat(parsedExp.errors);
+        this.errors = this.errors.concat(<HtmlTreeError[]>parsedExp.errors);
         return;
       }
 
diff --git a/modules/angular2/src/compiler/legacy_template.ts b/modules/angular2/src/compiler/legacy_template.ts
index d26b9e8ac1..3a58f7c7a1 100644
--- a/modules/angular2/src/compiler/legacy_template.ts
+++ b/modules/angular2/src/compiler/legacy_template.ts
@@ -88,7 +88,8 @@ export class LegacyHtmlAstTransformer implements HtmlAstVisitor {
 
   visitExpansion(ast: HtmlExpansionAst, context: any): any {
     let cases = ast.cases.map(c => c.visit(this, null));
-    return new HtmlExpansionAst(ast.switchValue, ast.type, cases, ast.sourceSpan);
+    return new HtmlExpansionAst(ast.switchValue, ast.type, cases, ast.sourceSpan,
+                                ast.switchValueSourceSpan);
   }
 
   visitExpansionCase(ast: HtmlExpansionCaseAst, context: any): any { return ast; }