From 48891a7ca5dc819b03eabc6155b13ae368eecb2c Mon Sep 17 00:00:00 2001
From: ariasuni <aria@ariasuni.eu>
Date: Fri, 6 Feb 2026 00:16:58 +0100
Subject: [PATCH] fix: rename and make firefoxPrefs in web-ext.config.ts work
 (#2068)

---
 packages/wxt/src/core/runners/web-ext.ts | 2 +-
 packages/wxt/src/types.ts                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/wxt/src/core/runners/web-ext.ts b/packages/wxt/src/core/runners/web-ext.ts
index f7efcdbe..1d45fea5 100644
--- a/packages/wxt/src/core/runners/web-ext.ts
+++ b/packages/wxt/src/core/runners/web-ext.ts
@@ -44,7 +44,7 @@ export function createWebExtRunner(): ExtensionRunner {
           ? {
               firefox: wxtUserConfig?.binaries?.firefox,
               firefoxProfile: wxtUserConfig?.firefoxProfile,
-              prefs: wxtUserConfig?.firefoxPrefs,
+              pref: wxtUserConfig?.firefoxPref,
               args: wxtUserConfig?.firefoxArgs,
             }
           : {
diff --git a/packages/wxt/src/types.ts b/packages/wxt/src/types.ts
index 284af1d7..f43bc9b4 100644
--- a/packages/wxt/src/types.ts
+++ b/packages/wxt/src/types.ts
@@ -992,7 +992,7 @@ export interface WebExtConfig {
   /**
    * @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#pref
    */
-  firefoxPrefs?: Record<string, string>;
+  firefoxPref?: Record<string, boolean | number | string>;
   /**
    * @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#args
    */