diff --git a/scrapy/linkextractors/__init__.py b/scrapy/linkextractors/__init__.py
index 6049c312c..5f6df9c73 100644
--- a/scrapy/linkextractors/__init__.py
+++ b/scrapy/linkextractors/__init__.py
@@ -28,7 +28,7 @@ IGNORED_EXTENSIONS = [
 
     # video
     '3gp', 'asf', 'asx', 'avi', 'mov', 'mp4', 'mpg', 'qt', 'rm', 'swf', 'wmv',
-    'm4a', 'm4v', 'flv',
+    'm4a', 'm4v', 'flv', 'webm',
 
     # office suites
     'xls', 'xlsx', 'ppt', 'pptx', 'pps', 'doc', 'docx', 'odt', 'ods', 'odg',