diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index c9ad65a1eb74..f1611449c967 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -313,8 +313,14 @@ pref("browser.urlbar.doubleClickSelectsAll", true);
 #else
 pref("browser.urlbar.doubleClickSelectsAll", false);
 #endif
+
+// Control autoFill behavior
 pref("browser.urlbar.autoFill", true);
 pref("browser.urlbar.autoFill.typed", true);
+
+// Use the new unifiedComplete component
+pref("browser.urlbar.unifiedcomplete", true);
+
 // 0: Match anywhere (e.g., middle of words)
 // 1: Match on word boundaries and then try matching anywhere
 // 2: Match only on word boundaries (e.g., after / or .)