diff --git a/brozzler/__init__.py b/brozzler/__init__.py
index 9e5d5fc..ea15dfd 100644
--- a/brozzler/__init__.py
+++ b/brozzler/__init__.py
@@ -64,12 +64,14 @@ class BaseDictable:
     def __repr__(self):
         return "{}(**{})".format(self.__class__.__name__, self.to_dict())
 
-def fixup(url):
+def fixup(url, hash_strip=False):
     '''
     Does rudimentary canonicalization, such as converting IDN to punycode.
     '''
     import surt
     hurl = surt.handyurl.parse(url)
+    if hash_strip:
+        hurl.hash = None
     # handyurl.parse() already lowercases the scheme via urlsplit
     if hurl.host:
         hurl.host = hurl.host.encode('idna').decode('ascii').lower()
diff --git a/brozzler/worker.py b/brozzler/worker.py
index 58a9079..f20ed86 100644
--- a/brozzler/worker.py
+++ b/brozzler/worker.py
@@ -237,17 +237,20 @@ class BrozzlerWorker:
             if on_screenshot:
                 on_screenshot(screenshot_png)
             elif self._proxy(site) and self._enable_warcprox_features(site):
-                self.logger.info("sending WARCPROX_WRITE_RECORD request "
-                                 "to warcprox with screenshot for %s", page)
+                self.logger.info(
+                        "sending WARCPROX_WRITE_RECORD request to %s with "
+                        "screenshot for %s", self._proxy(site), page)
                 screenshot_jpeg, thumbnail_jpeg = self.full_and_thumb_jpegs(
                         screenshot_png)
-                self._warcprox_write_record(warcprox_address=self._proxy(site),
-                        url="screenshot:%s" % brozzler.fixup(page.url),
+                self._warcprox_write_record(
+                        warcprox_address=self._proxy(site),
+                        url="screenshot:%s" % brozzler.fixup(page.url, True),
                         warc_type="resource", content_type="image/jpeg",
                         payload=screenshot_jpeg,
                         extra_headers=site.extra_headers())
-                self._warcprox_write_record(warcprox_address=self._proxy(site),
-                        url="thumbnail:%s" % brozzler.fixup(page.url),
+                self._warcprox_write_record(
+                        warcprox_address=self._proxy(site),
+                        url="thumbnail:%s" % brozzler.fixup(page.url, True),
                         warc_type="resource", content_type="image/jpeg",
                         payload=thumbnail_jpeg,
                         extra_headers=site.extra_headers())
diff --git a/setup.py b/setup.py
index 00b4713..249d026 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def find_package_data(package):
 
 setuptools.setup(
         name='brozzler',
-        version='1.1b9.dev178',
+        version='1.1b9.dev179',
         description='Distributed web crawling with browsers',
         url='https://github.com/internetarchive/brozzler',
         author='Noah Levitt',