diff --git a/qutebrowser/browser/adblock.py b/qutebrowser/browser/adblock.py
index 774e154fd..bec74f096 100644
--- a/qutebrowser/browser/adblock.py
+++ b/qutebrowser/browser/adblock.py
@@ -24,7 +24,6 @@ import os.path
 import functools
 import posixpath
 import zipfile
-import fnmatch
 
 from qutebrowser.config import config
 from qutebrowser.utils import objreg, standarddir, log, message
@@ -60,22 +59,6 @@ def get_fileobj(byte_io):
     return io.TextIOWrapper(byte_io, encoding='utf-8')
 
 
-def is_whitelisted_domain(host):
-    """Check if the given host is on the adblock whitelist.
-
-    Args:
-        host: The host as given by the adblocker as string.
-    """
-    whitelist = config.get('content', 'host-blocking-whitelist')
-    if whitelist is None:
-        return False
-
-    for pattern in whitelist:
-        if fnmatch.fnmatch(host, pattern.lower()):
-            return True
-    return False
-
-
 class FakeDownload:
 
     """A download stub to use on_download_finished with local files."""
@@ -205,8 +188,7 @@ class HostBlocker:
             else:
                 error_count += 1
                 continue
-            if (host not in self.WHITELISTED
-                    and not is_whitelisted_domain(host)):
+            if host not in self.WHITELISTED:
                 self.blocked_hosts.add(host)
         log.misc.debug("{}: read {} lines".format(byte_io.name, line_count))
         if error_count > 0:
diff --git a/qutebrowser/browser/network/networkmanager.py b/qutebrowser/browser/network/networkmanager.py
index e433b5e66..1642ea746 100644
--- a/qutebrowser/browser/network/networkmanager.py
+++ b/qutebrowser/browser/network/networkmanager.py
@@ -20,6 +20,7 @@
 """Our own QNetworkAccessManager."""
 
 import collections
+import fnmatch
 
 from PyQt5.QtCore import (pyqtSlot, pyqtSignal, PYQT_VERSION, QCoreApplication,
                           QUrl, QByteArray)
@@ -49,6 +50,22 @@ def init():
         QSslSocket.setDefaultCiphers(good_ciphers)
 
 
+def is_whitelisted_domain(host):
+    """Check if the given host is on the adblock whitelist.
+
+    Args:
+        host: The host as given by the adblocker as string.
+    """
+    whitelist = config.get('content', 'host-blocking-whitelist')
+    if whitelist is None:
+        return False
+
+    for pattern in whitelist:
+        if fnmatch.fnmatch(host, pattern.lower()):
+            return True
+    return False
+
+
 class SslError(QSslError):
 
     """A QSslError subclass which provides __hash__ on Qt < 5.4."""
@@ -347,7 +364,8 @@ class NetworkManager(QNetworkAccessManager):
         host_blocker = objreg.get('host-blocker')
         if (op == QNetworkAccessManager.GetOperation and
                 req.url().host() in host_blocker.blocked_hosts and
-                config.get('content', 'host-blocking-enabled')):
+                config.get('content', 'host-blocking-enabled') and
+                not is_whitelisted_domain(req.url().host())):
             log.webview.info("Request to {} blocked by host blocker.".format(
                 req.url().host()))
             return networkreply.ErrorNetworkReply(