diff --git a/scrapy/trunk/scrapy/link/__init__.py b/scrapy/trunk/scrapy/link/__init__.py
index 61592820c..bdcf209d9 100644
--- a/scrapy/trunk/scrapy/link/__init__.py
+++ b/scrapy/trunk/scrapy/link/__init__.py
@@ -44,7 +44,7 @@ class LinkExtractor(FixedSGMLParser):
         base_url = self.base_url if self.base_url else response.url
         ret = []
         for link in self.links:
-            link.url = urljoin(base_url, link.url)
+            link.url = urljoin(base_url, link.url).strip()
             ret.append(link)
         return ret
 
diff --git a/scrapy/trunk/scrapy/link/extractors.py b/scrapy/trunk/scrapy/link/extractors.py
index 70cc7e772..f222f82f9 100644
--- a/scrapy/trunk/scrapy/link/extractors.py
+++ b/scrapy/trunk/scrapy/link/extractors.py
@@ -55,7 +55,7 @@ class RegexLinkExtractor(LinkExtractor):
             response = new_response_from_xpaths(response, self.restrict_xpaths)
 
         links = LinkExtractor.extract_urls(self, response, unique)
-        links = [link.strip() for link in links if _is_valid_url(link.url)]
+        links = [link for link in links if _is_valid_url(link.url)]
 
         if self.allow_res:
             links = [link for link in links if _matches(link.url, self.allow_res)]