diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 517b34ad4518..817c3ca69377 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -661,7 +661,7 @@ pref("media.av1.enabled", true);
 pref("media.av1.use-dav1d", true);
 #elif defined(XP_MACOSX)
 pref("media.av1.enabled", true);
-pref("media.av1.use-dav1d", false);
+pref("media.av1.use-dav1d", true);
 #else
 pref("media.av1.enabled", false);
 pref("media.av1.use-dav1d", false);