diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index 5cc0a29bcd..95206eeb69 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -169,8 +169,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
     int row, col;
     unsigned char *encoded = avpkt->data, *outptr;
     uint8_t *y_out, *u_out, *v_out;
-    unsigned int width = avctx->width; // Real image width
-    unsigned int height = avctx->height; // Real image height
+    int width = avctx->width; // Real image width
+    int height = avctx->height; // Real image height
     unsigned int mszh_dlen;
     unsigned char yq, y1q, uq, vq;
     int uqvq, ret;