diff --git a/lib/ui/screens/call_screen.dart b/lib/ui/screens/call_screen.dart
index bcb5bbb..4eb8d88 100644
--- a/lib/ui/screens/call_screen.dart
+++ b/lib/ui/screens/call_screen.dart
@@ -10,6 +10,7 @@ import 'package:comunic/models/conversation.dart';
 import 'package:comunic/ui/routes/main_route.dart';
 import 'package:comunic/ui/widgets/safe_state.dart';
 import 'package:comunic/utils/account_utils.dart';
+import 'package:comunic/utils/device_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
@@ -147,6 +148,9 @@ class _CallScreenState extends SafeState<CallScreen> {
         await this._memberReady(peer.userID);
 
       setState(() {});
+
+      // Lock device await
+      await setWakeLock(true);
     } catch (e, stack) {
       print("Could not initialize call! $e\n$stack");
       setState(() => _error = true);
@@ -156,6 +160,8 @@ class _CallScreenState extends SafeState<CallScreen> {
   /// Do clean up operations when call screen is destroyed
   void _endCall() async {
     try {
+      await setWakeLock(false);
+
       // Close all ready members
       for (final member in _membersList.readyPeers)
         await _removeMember(member.userID);
diff --git a/lib/utils/device_utils.dart b/lib/utils/device_utils.dart
new file mode 100644
index 0000000..acd7552
--- /dev/null
+++ b/lib/utils/device_utils.dart
@@ -0,0 +1,9 @@
+import 'package:wakelock/wakelock.dart';
+
+/// Device utilities
+///
+/// @author Pierre Hubert
+
+/// Interface for requesting device wake locking
+Future<void> setWakeLock(bool enabled) async =>
+    await Wakelock.toggle(on: enabled);
diff --git a/pubspec.lock b/pubspec.lock
index 6eff9a5..0f2e402 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -455,6 +455,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.8"
+  wakelock:
+    dependency: "direct main"
+    description:
+      name: wakelock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4+1"
   web_socket_channel:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 0e25b97..9734821 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -78,6 +78,9 @@ dependencies:
   # WebRTC calls
   flutter_webrtc: ^0.2.7
 
+  # Prevent phone from auto-locking during calls
+  wakelock: ^0.1.4+1
+
 dev_dependencies:
   flutter_test:
     sdk: flutter