diff --git a/spec/driver_spec.rb b/spec/driver_spec.rb
index 1f93038..ed9145d 100644
--- a/spec/driver_spec.rb
+++ b/spec/driver_spec.rb
@@ -2069,14 +2069,17 @@ describe Capybara::Webkit::Driver do
     end
 
     it "ignores custom fonts" do
+      skip "font replacement not needed for QT >= 5" unless driver.version =~ /Qt: 4/
       expect(font_family).to eq "Arial"
     end
 
     it "ignores custom fonts before an element" do
+      skip "font replacement not needed for QT >= 5" unless driver.version =~ /Qt: 4/
       expect(font_family).to eq "Arial"
     end
 
     it "ignores custom fonts after an element" do
+      skip "font replacement not needed for QT >= 5" unless driver.version =~ /Qt: 4/
       expect(font_family).to eq "Arial"
     end
   end
diff --git a/src/WebPage.cpp b/src/WebPage.cpp
index a77db6f..4fd7213 100644
--- a/src/WebPage.cpp
+++ b/src/WebPage.cpp
@@ -25,7 +25,10 @@ WebPage::WebPage(WebPageManager *manager, QObject *parent) : QWebPage(parent) {
 
   setForwardUnsupportedContent(true);
   loadJavascript();
-  setUserStylesheet();
+
+  #if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+    setUserStylesheet();
+  #endif
 
   this->setCustomNetworkAccessManager();