diff --git a/src/add-ons/media/media-add-ons/usb_webcam/addons/sonix/SonixCamDevice.cpp b/src/add-ons/media/media-add-ons/usb_webcam/addons/sonix/SonixCamDevice.cpp
index 6d2ff9105a..804344dce8 100644
--- a/src/add-ons/media/media-add-ons/usb_webcam/addons/sonix/SonixCamDevice.cpp
+++ b/src/add-ons/media/media-add-ons/usb_webcam/addons/sonix/SonixCamDevice.cpp
@@ -415,7 +415,7 @@ SonixCamDevice::ValidateEndOfFrameTag(const uint8 *tag, size_t taglen, size_t da
 
 // -----------------------------------------------------------------------------
 status_t
-SonixCamDevice::GetFrameBitmap(BBitmap **bm, bigtime_t *stamp=NULL)
+SonixCamDevice::GetFrameBitmap(BBitmap **bm, bigtime_t *stamp /* = NULL */)
 {
 	BBitmap *b;
 	CamFrame *f;