diff --git a/django/contrib/staticfiles/storage.py b/django/contrib/staticfiles/storage.py
index 0293363fc4..ac83f522ee 100644
--- a/django/contrib/staticfiles/storage.py
+++ b/django/contrib/staticfiles/storage.py
@@ -105,13 +105,16 @@ class CachedFilesMixin(object):
             hashed_name, fragment = name, ''
         else:
             clean_name, fragment = urldefrag(name)
-            cache_key = self.cache_key(name)
-            hashed_name = self.cache.get(cache_key)
-            if hashed_name is None:
-                hashed_name = self.hashed_name(clean_name).replace('\\', '/')
-                # set the cache if there was a miss
-                # (e.g. if cache server goes down)
-                self.cache.set(cache_key, hashed_name)
+            if urlsplit(clean_name).path.endswith('/'):  # don't hash paths
+                hashed_name = name
+            else:
+                cache_key = self.cache_key(name)
+                hashed_name = self.cache.get(cache_key)
+                if hashed_name is None:
+                    hashed_name = self.hashed_name(clean_name).replace('\\', '/')
+                    # set the cache if there was a miss
+                    # (e.g. if cache server goes down)
+                    self.cache.set(cache_key, hashed_name)
 
         final_url = super(CachedFilesMixin, self).url(hashed_name)
 
diff --git a/tests/regressiontests/staticfiles_tests/tests.py b/tests/regressiontests/staticfiles_tests/tests.py
index 680027b63c..9834885fdd 100644
--- a/tests/regressiontests/staticfiles_tests/tests.py
+++ b/tests/regressiontests/staticfiles_tests/tests.py
@@ -317,6 +317,10 @@ class TestCollectionCachedStorage(BaseCollectionTestCase,
                                  "/static/test/file.ea5bccaf16d5.txt")
         self.assertStaticRenders("cached/styles.css",
                                  "/static/cached/styles.93b1147e8552.css")
+        self.assertStaticRenders("path/",
+                                 "/static/path/")
+        self.assertStaticRenders("path/?query",
+                                 "/static/path/?query")
 
     def test_template_tag_simple_content(self):
         relpath = self.cached_file_path("cached/styles.css")