diff --git a/misc/qutebrowser.spec b/misc/qutebrowser.spec
index 96345485d..81983aa0b 100644
--- a/misc/qutebrowser.spec
+++ b/misc/qutebrowser.spec
@@ -71,4 +71,5 @@ app = BUNDLE(coll,
              name='qutebrowser.app',
              icon=icon,
              info_plist={'NSHighResolutionCapable': 'True'},
+             # https://github.com/pyinstaller/pyinstaller/blob/b78bfe530cdc2904f65ce098bdf2de08c9037abb/PyInstaller/hooks/hook-PyQt5.QtWebEngineWidgets.py#L24
              bundle_identifier='org.qt-project.Qt.QtWebEngineCore')