2 files changed, 22 insertions, 9 deletions
diff --git a/platform/web/js/engine/engine.js b/platform/web/js/engine/engine.js
index 04c4c44c5e..1aeeb62f18 100644
--- a/platform/web/js/engine/engine.js
+++ b/platform/web/js/engine/engine.js
@@ -241,7 +241,11 @@ const Engine = (function () {
 			 */
 			installServiceWorker: function () {
 				if (this.config.serviceWorker && 'serviceWorker' in navigator) {
-					return navigator.serviceWorker.register(this.config.serviceWorker);
+					try {
+						return navigator.serviceWorker.register(this.config.serviceWorker);
+					} catch (e) {
+						return Promise.reject(e);
+					}
 				}
 				return Promise.resolve();
 			},
diff --git a/platform/web/js/libs/library_godot_os.js b/platform/web/js/libs/library_godot_os.js
index 568212275b..2899d7e45f 100644
--- a/platform/web/js/libs/library_godot_os.js
+++ b/platform/web/js/libs/library_godot_os.js
@@ -441,8 +441,12 @@ const GodotPWA = {
 	godot_js_pwa_cb__sig: 'vi',
 	godot_js_pwa_cb: function (p_update_cb) {
 		if ('serviceWorker' in navigator) {
-			const cb = GodotRuntime.get_func(p_update_cb);
-			navigator.serviceWorker.getRegistration().then(GodotPWA.updateState.bind(null, cb));
+			try {
+				const cb = GodotRuntime.get_func(p_update_cb);
+				navigator.serviceWorker.getRegistration().then(GodotPWA.updateState.bind(null, cb));
+			} catch (e) {
+				GodotRuntime.error('Failed to assign PWA callback', e);
+			}
 		}
 	},
 
@@ -450,12 +454,17 @@ const GodotPWA = {
 	godot_js_pwa_update__sig: 'i',
 	godot_js_pwa_update: function () {
 		if ('serviceWorker' in navigator && GodotPWA.hasUpdate) {
-			navigator.serviceWorker.getRegistration().then(function (reg) {
-				if (!reg || !reg.waiting) {
-					return;
-				}
-				reg.waiting.postMessage('update');
-			});
+			try {
+				navigator.serviceWorker.getRegistration().then(function (reg) {
+					if (!reg || !reg.waiting) {
+						return;
+					}
+					reg.waiting.postMessage('update');
+				});
+			} catch (e) {
+				GodotRuntime.error(e);
+				return 1;
+			}
 			return 0;
 		}
 		return 1;