diff --git a/ElementX/Sources/Application/AppMediator.swift b/ElementX/Sources/Application/AppMediator.swift
index bb60ae3ab..720fcabbc 100644
--- a/ElementX/Sources/Application/AppMediator.swift
+++ b/ElementX/Sources/Application/AppMediator.swift
@@ -18,14 +18,32 @@ import UIKit
 
 class AppMediator: AppMediatorProtocol {
     private let windowManager: WindowManagerProtocol
+    
+    init(windowManager: WindowManagerProtocol) {
+        self.windowManager = windowManager
+    }
         
     // UIApplication.State won't update if we store this e.g. in the constructor
     private var application: UIApplication {
         UIApplication.shared
     }
+
+    @MainActor
+    var appState: UIApplication.State {
+        switch application.applicationState {
+        case .active:
+            windowManager.mainWindow.traitCollection.activeAppearance == .active ? .active : .inactive
+        case .inactive:
+            .inactive
+        case .background:
+            .background
+        default:
+            .inactive
+        }
+    }
     
-    init(windowManager: WindowManagerProtocol) {
-        self.windowManager = windowManager
+    var backgroundTimeRemaining: TimeInterval {
+        application.backgroundTimeRemaining
     }
     
     func beginBackgroundTask(withName taskName: String?, expirationHandler handler: (() -> Void)?) -> UIBackgroundTaskIdentifier {
@@ -47,22 +65,8 @@ class AppMediator: AppMediatorProtocol {
         
         open(url)
     }
-
-    var backgroundTimeRemaining: TimeInterval {
-        application.backgroundTimeRemaining
-    }
-
-    @MainActor
-    var appState: UIApplication.State {
-        switch application.applicationState {
-        case .active:
-            windowManager.mainWindow.traitCollection.activeAppearance == .active ? .active : .inactive
-        case .inactive:
-            .inactive
-        case .background:
-            .background
-        default:
-            .inactive
-        }
+    
+    func setIdleTimerDisabled(_ disabled: Bool) {
+        application.isIdleTimerDisabled = disabled
     }
 }
diff --git a/ElementX/Sources/Application/AppMediatorProtocol.swift b/ElementX/Sources/Application/AppMediatorProtocol.swift
index e9387cad3..7812d2d8d 100644
--- a/ElementX/Sources/Application/AppMediatorProtocol.swift
+++ b/ElementX/Sources/Application/AppMediatorProtocol.swift
@@ -19,6 +19,10 @@ import UIKit
 
 // sourcery: AutoMockable
 protocol AppMediatorProtocol {
+    var appState: UIApplication.State { get }
+    
+    var backgroundTimeRemaining: TimeInterval { get }
+    
     func beginBackgroundTask(withName taskName: String?, expirationHandler handler: (() -> Void)?) -> UIBackgroundTaskIdentifier
 
     func endBackgroundTask(_ identifier: UIBackgroundTaskIdentifier)
@@ -26,10 +30,8 @@ protocol AppMediatorProtocol {
     func open(_ url: URL)
     
     func openAppSettings()
-
-    var backgroundTimeRemaining: TimeInterval { get }
-
-    var appState: UIApplication.State { get }
+    
+    func setIdleTimerDisabled(_ disabled: Bool)
 }
 
 extension UIApplication.State: CustomStringConvertible {
diff --git a/ElementX/Sources/Mocks/Generated/GeneratedMocks.swift b/ElementX/Sources/Mocks/Generated/GeneratedMocks.swift
index 5b40afb16..e4de14ff6 100644
--- a/ElementX/Sources/Mocks/Generated/GeneratedMocks.swift
+++ b/ElementX/Sources/Mocks/Generated/GeneratedMocks.swift
@@ -748,16 +748,16 @@ class AppLockServiceMock: AppLockServiceProtocol {
     }
 }
 class AppMediatorMock: AppMediatorProtocol {
-    var backgroundTimeRemaining: TimeInterval {
-        get { return underlyingBackgroundTimeRemaining }
-        set(value) { underlyingBackgroundTimeRemaining = value }
-    }
-    var underlyingBackgroundTimeRemaining: TimeInterval!
     var appState: UIApplication.State {
         get { return underlyingAppState }
         set(value) { underlyingAppState = value }
     }
     var underlyingAppState: UIApplication.State!
+    var backgroundTimeRemaining: TimeInterval {
+        get { return underlyingBackgroundTimeRemaining }
+        set(value) { underlyingBackgroundTimeRemaining = value }
+    }
+    var underlyingBackgroundTimeRemaining: TimeInterval!
 
     //MARK: - beginBackgroundTask
 
@@ -936,6 +936,45 @@ class AppMediatorMock: AppMediatorProtocol {
         openAppSettingsCallsCount += 1
         openAppSettingsClosure?()
     }
+    //MARK: - setIdleTimerDisabled
+
+    var setIdleTimerDisabledUnderlyingCallsCount = 0
+    var setIdleTimerDisabledCallsCount: Int {
+        get {
+            if Thread.isMainThread {
+                return setIdleTimerDisabledUnderlyingCallsCount
+            } else {
+                var returnValue: Int? = nil
+                DispatchQueue.main.sync {
+                    returnValue = setIdleTimerDisabledUnderlyingCallsCount
+                }
+
+                return returnValue!
+            }
+        }
+        set {
+            if Thread.isMainThread {
+                setIdleTimerDisabledUnderlyingCallsCount = newValue
+            } else {
+                DispatchQueue.main.sync {
+                    setIdleTimerDisabledUnderlyingCallsCount = newValue
+                }
+            }
+        }
+    }
+    var setIdleTimerDisabledCalled: Bool {
+        return setIdleTimerDisabledCallsCount > 0
+    }
+    var setIdleTimerDisabledReceivedDisabled: Bool?
+    var setIdleTimerDisabledReceivedInvocations: [Bool] = []
+    var setIdleTimerDisabledClosure: ((Bool) -> Void)?
+
+    func setIdleTimerDisabled(_ disabled: Bool) {
+        setIdleTimerDisabledCallsCount += 1
+        setIdleTimerDisabledReceivedDisabled = disabled
+        setIdleTimerDisabledReceivedInvocations.append(disabled)
+        setIdleTimerDisabledClosure?(disabled)
+    }
 }
 class AudioConverterMock: AudioConverterProtocol {
 
diff --git a/ElementX/Sources/Screens/RoomScreen/RoomScreenInteractionHandler.swift b/ElementX/Sources/Screens/RoomScreen/RoomScreenInteractionHandler.swift
index c5e746538..74c460f3f 100644
--- a/ElementX/Sources/Screens/RoomScreen/RoomScreenInteractionHandler.swift
+++ b/ElementX/Sources/Screens/RoomScreen/RoomScreenInteractionHandler.swift
@@ -50,7 +50,12 @@ class RoomScreenInteractionHandler {
         actionsSubject.eraseToAnyPublisher()
     }
     
-    private var voiceMessageRecorderObserver: AnyCancellable?
+    private var voiceMessageRecorderObserver: AnyCancellable? {
+        didSet {
+            appMediator.setIdleTimerDisabled(voiceMessageRecorderObserver != nil)
+        }
+    }
+    
     private var canCurrentUserRedactOthers = false
     private var canCurrentUserRedactSelf = false
     private var resumeVoiceMessagePlaybackAfterScrubbing = false
@@ -405,6 +410,7 @@ class RoomScreenInteractionHandler {
     
     func stopRecordingVoiceMessage() async {
         await voiceMessageRecorder.stopRecording()
+        voiceMessageRecorderObserver = nil
     }
     
     func cancelRecordingVoiceMessage() async {
diff --git a/changelog.d/2707.change b/changelog.d/2707.change
new file mode 100644
index 000000000..1cb67f3d8
--- /dev/null
+++ b/changelog.d/2707.change
@@ -0,0 +1 @@
+Prevent the app from locking while recording a voice message
\ No newline at end of file