diff --git a/src/librustc/middle/lang_items.rs b/src/librustc/middle/lang_items.rs
index eaf05a4a85ff..7f54e265b7ba 100644
--- a/src/librustc/middle/lang_items.rs
+++ b/src/librustc/middle/lang_items.rs
@@ -441,5 +441,6 @@ pub fn collect_language_items(crate: @crate,
     let mut collector = LanguageItemCollector(crate, session);
     collector.collect();
     let LanguageItemCollector { items, _ } = collector;
+    session.abort_if_errors();
     items
 }