diff --git a/modules/juce_video/native/juce_win32_CameraDevice.h b/modules/juce_video/native/juce_win32_CameraDevice.h
index dc631b4821..e6dae57b48 100644
--- a/modules/juce_video/native/juce_win32_CameraDevice.h
+++ b/modules/juce_video/native/juce_win32_CameraDevice.h
@@ -52,14 +52,7 @@ struct CameraDevice::Pimpl  : public ChangeBroadcaster
     Pimpl (CameraDevice& ownerToUse, const String&, int index,
            int minWidth, int minHeight, int maxWidth, int maxHeight,
            bool /*highQuality*/)
-       : owner (ownerToUse),
-         isRecording (false),
-         openedSuccessfully (false),
-         imageNeedsFlipping (false),
-         width (0), height (0),
-         activeUsers (0),
-         recordNextFrameTime (false),
-         previewMaxFPS (60)
+       : owner (ownerToUse)
     {
         HRESULT hr = captureGraphBuilder.CoCreateInstance (CLSID_CaptureGraphBuilder2);
         if (FAILED (hr))
@@ -568,8 +561,8 @@ struct CameraDevice::Pimpl  : public ChangeBroadcaster
     CriticalSection pictureTakenCallbackLock;
     std::function<void (const Image&)> pictureTakenCallback;
 
-    bool isRecording, openedSuccessfully;
-    int width, height;
+    bool isRecording = false, openedSuccessfully = false;
+    int width = 0, height = 0;
     Time firstRecordedTime;
 
     Array<ViewerComponent*> viewerComps;
@@ -580,16 +573,16 @@ struct CameraDevice::Pimpl  : public ChangeBroadcaster
     ComSmartPtr<ISampleGrabber> sampleGrabber;
     ComSmartPtr<IMediaControl> mediaControl;
     ComSmartPtr<IPin> smartTeePreviewOutputPin, smartTeeCaptureOutputPin;
-    int activeUsers;
+    int activeUsers = 0;
     Array<int> widths, heights;
     DWORD graphRegistrationID;
 
     CriticalSection imageSwapLock;
-    bool imageNeedsFlipping;
+    bool imageNeedsFlipping = false;
     Image loadingImage, activeImage;
 
-    bool recordNextFrameTime;
-    int previewMaxFPS;
+    bool recordNextFrameTime = false;
+    int previewMaxFPS = 60;
 
     JUCE_DECLARE_WEAK_REFERENCEABLE (Pimpl)