diff --git a/libavcodec/8bps.c b/libavcodec/8bps.c
index 6870e7a938..90d6c96fd1 100644
--- a/libavcodec/8bps.c
+++ b/libavcodec/8bps.c
@@ -68,7 +68,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
     unsigned char *planemap = c->planemap;
     int ret;
 
-    if (buf_size < planes * height *2)
+    if (buf_size < planes * height * 2)
         return AVERROR_INVALIDDATA;
 
     if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)