diff --git a/client/js/options.js b/client/js/options.js
index b4eaaaa1..cbf6724d 100644
--- a/client/js/options.js
+++ b/client/js/options.js
@@ -18,6 +18,7 @@ const noCSSparamReg = /[?&]nocss/;
 // Will be assigned when `initialize` is called.
 let $syncWarningOverride;
 let $syncWarningBase;
+let $forceSyncButton;
 let $warningUnsupported;
 let $warningBlocked;
 
@@ -76,7 +77,7 @@ module.exports = {
 	highlightsRE: null,
 	settings,
 	shouldOpenMessagePreview,
-	noServerSettings,
+	syncAllSettings,
 	processSetting,
 	initialize,
 };
@@ -102,6 +103,7 @@ function updateDesktopNotificationStatus() {
 function applySetting(name, value) {
 	if (name === "syncSettings" && value) {
 		$syncWarningOverride.hide();
+		$forceSyncButton.hide();
 	} else if (name === "motd") {
 		$chat.toggleClass("hide-" + name, !value);
 	} else if (name === "statusMessages") {
@@ -198,8 +200,10 @@ function updateSetting(name, value, sync) {
 			socket.emit("setting:get");
 			$syncWarningOverride.hide();
 			$syncWarningBase.hide();
+			$forceSyncButton.hide();
 		} else if (name === "syncSettings") {
 			$syncWarningOverride.show();
+			$forceSyncButton.show();
 		}
 
 		if (settings.syncSettings && !noSync.includes(name) && sync) {
@@ -210,9 +214,9 @@ function updateSetting(name, value, sync) {
 	}
 }
 
-function noServerSettings() {
-	// Sync is enabled but the server has no settings so we sync all settings from this client.
-	if (settings.syncSettings) {
+function syncAllSettings(force = false) {
+	// Sync all settings if sync is enabled or force is true.
+	if (settings.syncSettings || force) {
 		for (const name in settings) {
 			if (!noSync.includes(name)) {
 				settingSetEmit(name, settings[name]);
@@ -223,8 +227,10 @@ function noServerSettings() {
 
 		$syncWarningOverride.hide();
 		$syncWarningBase.hide();
+		$forceSyncButton.hide();
 	} else {
 		$syncWarningOverride.hide();
+		$forceSyncButton.hide();
 		$syncWarningBase.show();
 	}
 }
@@ -262,6 +268,7 @@ function initialize() {
 
 	$syncWarningOverride = $settings.find(".sync-warning-override");
 	$syncWarningBase = $settings.find(".sync-warning-base");
+	$forceSyncButton = $settings.find(".force-sync-button");
 
 	$warningBlocked.hide();
 	module.exports.initialized = true;
@@ -300,6 +307,10 @@ function initialize() {
 		}
 	});
 
+	$settings.on("click", "#forceSync", () => {
+		syncAllSettings(true);
+	});
+
 	// Local init is done, let's sync
 	// We always ask for synced settings even if it is disabled.
 	// Settings can be mandatory to sync and it is used to determine sync base state.
diff --git a/client/js/socket-events/setting.js b/client/js/socket-events/setting.js
index f8a2eb17..6a97cd6d 100644
--- a/client/js/socket-events/setting.js
+++ b/client/js/socket-events/setting.js
@@ -19,7 +19,7 @@ socket.on("setting:new", function(data) {
 
 socket.on("setting:all", function(settings) {
 	if (Object.keys(settings).length === 0) {
-		options.noServerSettings();
+		options.syncAllSettings();
 	} else {
 		for (const name in settings) {
 			evaluateSetting(name, settings[name]);
diff --git a/client/views/windows/settings.tpl b/client/views/windows/settings.tpl
index cf414f4b..821a9512 100644
--- a/client/views/windows/settings.tpl
+++ b/client/views/windows/settings.tpl
@@ -28,6 +28,10 @@
 			</label>
 			<p class="sync-warning-override"><strong>Warning</strong> Checking this box will override the settings of this client with those stored on the server.</p>
 			<p class="sync-warning-base"><strong>Warning</strong> No settings have been synced before. Enabling this will sync all settings of this client as the base for other clients.</p>
+			<label class="opt force-sync-button">
+				<button type="button" class="btn" id="forceSync">Force sync settings</button><br>
+				This will override any settings already synced to the server.
+			</label>
 		</div>
 		{{/unless}}
 		<div class="col-sm-12">