diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 361baeb3ac..d1e7e6dd31 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -247,7 +247,7 @@ static av_cold int init_cook_mlt(COOKContext *q)
     int j, ret;
     int mlt_size = q->samples_per_channel;
 
-    if ((q->mlt_window = av_malloc_array(mlt_size, sizeof(*q->mlt_window))) == 0)
+    if (!(q->mlt_window = av_malloc_array(mlt_size, sizeof(*q->mlt_window))))
         return AVERROR(ENOMEM);
 
     /* Initialize the MLT window: simple sine window. */