diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 4c30d2dbb..4a0812ba1 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -38,6 +38,7 @@ Fixed
 - Fixed hints sometimes not working with Qt 5.8
 - `:enter-mode` now refuses to enter modes which can't be entered manually (which caused crashes).
 - `:record-macro` (`q`) now doesn't try to record macros for special keys without a text.
+- Fixed PAC (proxy autoconfig) not working with QtWebKit
 
 v0.9.1
 ------
diff --git a/README.asciidoc b/README.asciidoc
index 10f5a740b..0fa8dc9b0 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -187,6 +187,7 @@ Contributors, sorted by the number of commits in descending order:
 * Oliver Caldwell
 * Julian Weigt
 * Sebastian Frysztak
+* Nikolay Amiantov
 * Jonas Schürmann
 * error800
 * Michael Hoang
@@ -197,7 +198,6 @@ Contributors, sorted by the number of commits in descending order:
 * Tomasz Kramkowski
 * Samuel Walladge
 * Peter Rice
-* Nikolay Amiantov
 * Ismail S
 * Halfwit
 * David Vogt
diff --git a/qutebrowser/browser/network/pac.py b/qutebrowser/browser/network/pac.py
index dfa4d42d6..91f15dfaf 100644
--- a/qutebrowser/browser/network/pac.py
+++ b/qutebrowser/browser/network/pac.py
@@ -126,7 +126,7 @@ class _PACContext(QObject):
         return QHostAddress(QHostAddress.LocalHost).toString()
 
 
-class PACResolver(object):
+class PACResolver:
 
     """Evaluate PAC script files and resolve proxies."""
 
diff --git a/qutebrowser/utils/urlutils.py b/qutebrowser/utils/urlutils.py
index e70cc41fa..1199c73f4 100644
--- a/qutebrowser/utils/urlutils.py
+++ b/qutebrowser/utils/urlutils.py
@@ -614,7 +614,7 @@ def proxy_from_url(url):
 
     scheme = url.scheme()
     if scheme in ['pac+http', 'pac+https']:
-        return pac.PACFetcher
+        return pac.PACFetcher(url)
 
     types = {
         'http': QNetworkProxy.HttpProxy,
diff --git a/tests/unit/browser/webkit/network/test_pac.py b/tests/unit/browser/webkit/network/test_pac.py
index ebb081aff..c5c12b1a1 100644
--- a/tests/unit/browser/webkit/network/test_pac.py
+++ b/tests/unit/browser/webkit/network/test_pac.py
@@ -125,6 +125,43 @@ def test_invalid_port():
         res.resolve(QNetworkProxyQuery(QUrl("https://example.com/test")))
 
 
+@pytest.mark.parametrize(string, ["", "{"])
+def test_wrong_pac_string(string):
+    with pytest.raises(pac.EvalProxyError):
+        pac.PACResolver(string)
+
+
+@pytest.mark.parametrize("value", [
+    "",
+    "DIRECT FOO",
+    "PROXY",
+    "SOCKS",
+    "FOOBAR",
+])
+def test_fail_parse(value):
+    test_str_f = """
+        function FindProxyForURL(domain, host) {{
+            return "{}";
+        }}
+    """
+
+    res = pac.PACResolver(test_str_f.format(value))
+    with pytest.raises(pac.ParseProxyError):
+        res.resolve(QNetworkProxyQuery(QUrl("https://example.com/test")))
+
+
+def test_fail_return():
+    test_str = """
+        function FindProxyForURL(domain, host) {
+            return null;
+        }
+    """
+
+    res = pac.PACResolver(test_str)
+    with pytest.raises(pac.EvalProxyError):
+        res.resolve(QNetworkProxyQuery(QUrl("https://example.com/test")))
+
+
 # See https://github.com/The-Compiler/qutebrowser/pull/1891#issuecomment-259222615
 
 try:
diff --git a/tests/unit/utils/test_urlutils.py b/tests/unit/utils/test_urlutils.py
index 49bc85f07..0db43a0e6 100644
--- a/tests/unit/utils/test_urlutils.py
+++ b/tests/unit/utils/test_urlutils.py
@@ -765,7 +765,7 @@ class TestProxyFromUrl:
     @pytest.mark.parametrize('scheme', ['pac+http', 'pac+https'])
     def test_proxy_from_url_pac(self, scheme):
         fetcher = urlutils.proxy_from_url(QUrl('{}://foo'.format(scheme)))
-        assert fetcher is pac.PACFetcher
+        assert isinstance(fetcher, pac.PACFetcher)
 
     @pytest.mark.parametrize('url, exception', [
         ('blah', urlutils.InvalidProxyTypeError),