diff --git a/modules/libpref/src/init/all.js b/modules/libpref/src/init/all.js
index 7c021d82a7dc..e1415b292a8f 100644
--- a/modules/libpref/src/init/all.js
+++ b/modules/libpref/src/init/all.js
@@ -368,6 +368,10 @@ pref("gfx.content.azure.backends", "cairo");
 #endif
 #endif
 
+#ifdef MOZ_WIDGET_GTK2
+pref("gfx.content.azure.enabled", true);
+pref("gfx.content.azure.backends", "cairo");
+#endif
 #ifdef ANDROID
 pref("gfx.textures.poweroftwo.force-enabled", false);
 pref("gfx.content.azure.backends", "cairo");