diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index fa03c3a775..51d88b06e2 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -586,8 +586,11 @@ def build_forms(srcdir, info=None):
             if form.endswith('viewer%smain.ui'%os.sep):
                 info('\t\tPromoting WebView')
                 dat = dat.replace('self.view = QtWebKit.QWebView(', 'self.view = DocumentView(')
+                dat = dat.replace('from PyQt4 import QtWebKit', '')
+                if iswindows:
+                    dat = dat.replace('self.view = QWebView(', 'self.view = DocumentView(')
+                    dat = dat.replace('from QtWebKit.QWebView import QWebView', '')
                 dat += '\n\nfrom calibre.gui2.viewer.documentview import DocumentView'
-                dat += '\nQtWebKit'
 
             open(compiled_form, 'wb').write(dat)