diff --git a/DemoApp/Sources/Components/DemoAppViewFactory.swift b/DemoApp/Sources/Components/DemoAppViewFactory.swift
index 58c107d50..674dac6ae 100644
--- a/DemoApp/Sources/Components/DemoAppViewFactory.swift
+++ b/DemoApp/Sources/Components/DemoAppViewFactory.swift
@@ -12,6 +12,7 @@ final class DemoAppViewFactory: ViewFactory {
     static let shared = DemoAppViewFactory()
 
     @Injected(\.colors) var colors
+    @Injected(\.microphoneChecker) var microphoneChecker
 
     func makeWaitingLocalUserView(viewModel: CallViewModel) -> some View {
         DemoWaitingLocalUserView(viewFactory: self, viewModel: viewModel)
diff --git a/DemoApp/Sources/Views/CustomCallView.swift b/DemoApp/Sources/Views/CustomCallView.swift
index 24a2d3a20..22d564515 100644
--- a/DemoApp/Sources/Views/CustomCallView.swift
+++ b/DemoApp/Sources/Views/CustomCallView.swift
@@ -9,11 +9,11 @@ import SwiftUI
 struct CustomCallView<Factory: ViewFactory>: View {
     
     @Injected(\.colors) var colors
+    @Injected(\.microphoneChecker) var microphoneChecker
     
     var viewFactory: Factory
     @ObservedObject var viewModel: CallViewModel
-    
-    @StateObject var microphoneChecker = MicrophoneChecker()
+
     @State var mutedIndicatorShown = false
     
     var body: some View {
diff --git a/Sources/StreamVideo/Utils/ThermalStateObserver.swift b/Sources/StreamVideo/Utils/ThermalStateObserver.swift
index 4a71a087c..696398c97 100644
--- a/Sources/StreamVideo/Utils/ThermalStateObserver.swift
+++ b/Sources/StreamVideo/Utils/ThermalStateObserver.swift
@@ -90,7 +90,7 @@ final class ThermalStateObserver: ObservableObject, ThermalStateObserving {
     }
 }
 
-/// Provides the default value of the `Appearance` class.
+/// Provides the default value of the `ThermalStateObserving` protocol.
 public struct ThermalStateObserverKey: InjectionKey {
     public static var currentValue: any ThermalStateObserving = ThermalStateObserver.shared
 }
diff --git a/Sources/StreamVideoSwiftUI/CallingViews/MicrophoneChecker.swift b/Sources/StreamVideoSwiftUI/CallingViews/MicrophoneChecker.swift
index 4d0239700..0f0c97152 100644
--- a/Sources/StreamVideoSwiftUI/CallingViews/MicrophoneChecker.swift
+++ b/Sources/StreamVideoSwiftUI/CallingViews/MicrophoneChecker.swift
@@ -173,3 +173,20 @@ protocol AudioSessionProtocol {
 }
 
 extension AVAudioSession: AudioSessionProtocol {}
+
+/// Provides the default value of the `ThermalStateObserving` protocol.
+public struct MicrophoneCheckerKey: InjectionKey {
+    public static var currentValue: MicrophoneChecker = MicrophoneChecker()
+}
+
+extension InjectedValues {
+
+    public var microphoneChecker: MicrophoneChecker {
+        get {
+            Self[MicrophoneCheckerKey.self]
+        }
+        set {
+            Self[MicrophoneCheckerKey.self] = newValue
+        }
+    }
+}
diff --git a/Sources/StreamVideoSwiftUI/CallingViews/PreJoiningView.swift b/Sources/StreamVideoSwiftUI/CallingViews/PreJoiningView.swift
index d815ef477..a965bb7bf 100644
--- a/Sources/StreamVideoSwiftUI/CallingViews/PreJoiningView.swift
+++ b/Sources/StreamVideoSwiftUI/CallingViews/PreJoiningView.swift
@@ -10,8 +10,8 @@ import SwiftUI
 public struct LobbyView: View {
     
     @StateObject var viewModel: LobbyViewModel
-    @StateObject var microphoneChecker = MicrophoneChecker()
-    
+    @Injected(\.microphoneChecker) var microphoneChecker
+
     var callId: String
     var callType: String
     @Binding var callSettings: CallSettings
diff --git a/Sources/StreamVideoSwiftUI/CallingViews/iOS13/PreJoiningView_iOS13.swift b/Sources/StreamVideoSwiftUI/CallingViews/iOS13/PreJoiningView_iOS13.swift
index ffcc203a8..c1e39c72f 100644
--- a/Sources/StreamVideoSwiftUI/CallingViews/iOS13/PreJoiningView_iOS13.swift
+++ b/Sources/StreamVideoSwiftUI/CallingViews/iOS13/PreJoiningView_iOS13.swift
@@ -11,7 +11,7 @@ struct LobbyView_iOS13: View {
     
     @ObservedObject var callViewModel: CallViewModel
     @BackportStateObject var viewModel: LobbyViewModel
-    @BackportStateObject var microphoneChecker = MicrophoneChecker()
+    @Injected(\.microphoneChecker) var microphoneChecker: MicrophoneChecker
     
     var callId: String
     var callType: String