diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index da0fc17b2e..2de2b39da0 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -148,7 +148,7 @@ int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b)
 {
     int64_t a = tb_a.num * (int64_t)tb_b.den;
     int64_t b = tb_b.num * (int64_t)tb_a.den;
-    if ((FFABS(ts_a)|a|FFABS(ts_b)|b) <= INT_MAX)
+    if ((FFABS64U(ts_a)|a|FFABS64U(ts_b)|b) <= INT_MAX)
         return (ts_a*a > ts_b*b) - (ts_a*a < ts_b*b);
     if (av_rescale_rnd(ts_a, a, b, AV_ROUND_DOWN) < ts_b)
         return -1;