diff --git a/local/share/applications/a-firefox-cups.desktop b/local/share/applications/a-firefox-cups.desktop
index ad5181f6..0f3accc2 100644
--- a/local/share/applications/a-firefox-cups.desktop
+++ b/local/share/applications/a-firefox-cups.desktop
@@ -7,4 +7,4 @@ Icon=preferences-devices-printer
 Terminal=false
 Type=Application
 StartupNotify=true
-StartupWMClass=firefox
+#StartupWMClass=firefox
diff --git a/local/share/applications/a-firefox-gmail.desktop b/local/share/applications/a-firefox-gmail.desktop
index 351dcf68..37bbcd21 100644
--- a/local/share/applications/a-firefox-gmail.desktop
+++ b/local/share/applications/a-firefox-gmail.desktop
@@ -7,4 +7,4 @@ Icon=internet-mail
 Terminal=false
 Type=Application
 StartupNotify=true
-StartupWMClass=firefox
+#StartupWMClass=firefox