diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index 1313241101..c6f72c4b90 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -978,6 +978,7 @@ class Application(QApplication):
         QApplication.setApplicationName(APP_UID)
         QApplication.__init__(self, qargs)
         self.setAttribute(Qt.AA_UseHighDpiPixmaps)
+        self.setAttribute(Qt.AA_SynthesizeTouchForUnhandledMouseEvents, False)
         try:
             base_dir()
         except EnvironmentError as err: