diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index ddd2be9fb8..5cf5b2629a 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -1815,8 +1815,9 @@ static int dca_decode_frame(AVCodecContext * avctx,
         return -1;
     }
 
-    if (avctx->channels && avctx->channels != channels) {
-        av_log(avctx, AV_LOG_INFO, "Number of channels changed in DCA decoder (%d -> %d)\n", avctx->channels, channels);
+    if (avctx->channels != channels) {
+        if (avctx->channels)
+            av_log(avctx, AV_LOG_INFO, "Number of channels changed in DCA decoder (%d -> %d)\n", avctx->channels, channels);
         avctx->channels = channels;
     }