diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
index afc73e2def16729a40ef0d815736441867415d72..c733cb5cf54a7dd0996dbfecd405bcd6d0cd9c54 100644
--- a/libavutil/imgutils.c
+++ b/libavutil/imgutils.c
@@ -311,8 +311,8 @@ static void image_copy_plane(uint8_t       *dst, ptrdiff_t dst_linesize,
 {
     if (!dst || !src)
         return;
-    av_assert0(abs(src_linesize) >= bytewidth);
-    av_assert0(abs(dst_linesize) >= bytewidth);
+    av_assert0(FFABS(src_linesize) >= bytewidth);
+    av_assert0(FFABS(dst_linesize) >= bytewidth);
     for (;height > 0; height--) {
         memcpy(dst, src, bytewidth);
         dst += dst_linesize;