diff --git a/src/video_capture/decklink.cpp b/src/video_capture/decklink.cpp
index 71d6db26e..d33d0d702 100644
--- a/src/video_capture/decklink.cpp
+++ b/src/video_capture/decklink.cpp
@@ -380,7 +380,7 @@ VideoDelegate::VideoInputFrameArrived (IDeckLinkVideoInputFrame *videoFrame, IDe
                                           s->frameRateScale);
         }
 
-        if (audioPacket) {
+        if (audioPacket && !nosig) {
                 if (s->audioPackets.size() < MAX_AUDIO_PACKETS) {
                         audioPacket->AddRef();
                         s->audioPackets.push(audioPacket);