diff --git a/src/bitmessageqt/blacklist.ui b/src/bitmessageqt/blacklist.ui
index 0eb347a3..f6ba865f 100644
--- a/src/bitmessageqt/blacklist.ui
+++ b/src/bitmessageqt/blacklist.ui
@@ -101,7 +101,7 @@
   <customwidget>
    <class>STableWidget</class>
    <extends>QTableWidget</extends>
-   <header>bitmessageqt.settingsmixin</header>
+   <header>pybitmessage.bitmessageqt.settingsmixin</header>
   </customwidget>
  </customwidgets>
  <resources>
diff --git a/src/bitmessageqt/networkstatus.ui b/src/bitmessageqt/networkstatus.ui
index 64a3d48d..259228ef 100644
--- a/src/bitmessageqt/networkstatus.ui
+++ b/src/bitmessageqt/networkstatus.ui
@@ -296,7 +296,7 @@
   <customwidget>
    <class>STableWidget</class>
    <extends>QTableWidget</extends>
-   <header>bitmessageqt.settingsmixin</header>
+   <header>pybitmessage.bitmessageqt.settingsmixin</header>
   </customwidget>
  </customwidgets>
  <resources>
diff --git a/src/bitmessageqt/settings.ui b/src/bitmessageqt/settings.ui
index 0ffbf442..06dd5b77 100644
--- a/src/bitmessageqt/settings.ui
+++ b/src/bitmessageqt/settings.ui
@@ -1061,7 +1061,7 @@
   <customwidget>
    <class>LanguageBox</class>
    <extends>QComboBox</extends>
-   <header>bitmessageqt.languagebox</header>
+   <header>pybitmessage.bitmessageqt.languagebox</header>
   </customwidget>
   </customwidgets>
  <tabstops>