diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index d03314179a..55ba50a260 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -9,7 +9,7 @@ from PyQt5.Qt import (
     QFileInfo, QObject, QBuffer, Qt, QByteArray, QTranslator, QSocketNotifier,
     QCoreApplication, QThread, QEvent, QTimer, pyqtSignal, QDateTime, QFontMetrics,
     QDesktopServices, QFileDialog, QFileIconProvider, QSettings, QIcon, QStringListModel,
-    QApplication, QDialog, QUrl, QFont, QFontDatabase, QLocale, QFontInfo)
+    QApplication, QDialog, QUrl, QFont, QFontDatabase, QLocale, QFontInfo, QT_VERSION)
 
 from calibre import prints, as_unicode
 from calibre.constants import (islinux, iswindows, isbsd, isfrozen, isosx, is_running_from_develop,
@@ -785,6 +785,8 @@ class Application(QApplication):
 
     def __init__(self, args, force_calibre_style=False, override_program_name=None, headless=False, color_prefs=gprefs):
         self.file_event_hook = None
+        if isfrozen and QT_VERSION <= 0x050700 and 'wayland' in os.environ.get('QT_QPA_PLATFORM', ''):
+            os.environ['QT_QPA_PLATFORM'] = 'xcb'
         if override_program_name:
             args = [override_program_name] + args[1:]
         if headless: