diff --git a/manual/customize.rst b/manual/customize.rst
index eb7065c657..61e7b40750 100644
--- a/manual/customize.rst
+++ b/manual/customize.rst
@@ -53,6 +53,7 @@ Environment variables
     * ``CALIBRE_SHOW_DEPRECATION_WARNINGS`` - causes calibre to print deprecation warnings to stdout. Useful for calibre developers.
     * ``CALIBRE_NO_DEFAULT_PROGRAMS`` - prevent calibre from automatically registering the filetypes it is capable of handling with Windows.
     * ``CALIBRE_USE_SYSTEM_CERTIFICATES`` - make calibre use the system certificate store for SSL certificate verification instead of its own certificate store on Windows and macOS.
+    * ``CALIBRE_NO_ICONS_IN_MENUS`` - Disable icons in menus
     * ``QT_QPA_PLATFORM`` - On Linux set this to ``wayland`` to force calibre to use Wayland and ``xcb`` to force use of X11.
     * ``SYSFS_PATH`` - Use if sysfs is mounted somewhere other than /sys
     * ``http_proxy``, ``https_proxy`` - used on Linux to specify an HTTP(S) proxy
diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index 8da6ac92b8..e0aa43c22b 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -1240,6 +1240,7 @@ class Application(QApplication):
             self.setup_unix_signals()
         if islinux or isbsd:
             self.setAttribute(Qt.ApplicationAttribute.AA_DontUseNativeMenuBar, 'CALIBRE_NO_NATIVE_MENUBAR' in os.environ)
+        self.setAttribute(Qt.ApplicationAttribute.AA_DontShowIconsInMenus, 'CALIBRE_NO_ICONS_IN_MENUS' in os.environ)
         self.palette_manager.setup_styles()
         self.setup_ui_font()
         fi = gprefs['font']