diff --git a/libavfilter/af_agate.c b/libavfilter/af_agate.c
index 7781a9ca56..e125895682 100644
--- a/libavfilter/af_agate.c
+++ b/libavfilter/af_agate.c
@@ -175,17 +175,17 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
     dst = (double *)out->data[0];
 
     for (n = 0; n < in->nb_samples; n++, src += inlink->channels, dst += inlink->channels) {
-        double abs_sample = FFABS(src[0]), gain = 1.0;
+        double abs_sample = fabs(src[0]), gain = 1.0;
 
         for (c = 0; c < inlink->channels; c++)
             dst[c] = src[c] * level_in;
 
         if (s->link == 1) {
             for (c = 1; c < inlink->channels; c++)
-                abs_sample = FFMAX(FFABS(src[c]), abs_sample);
+                abs_sample = FFMAX(fabs(src[c]), abs_sample);
         } else {
             for (c = 1; c < inlink->channels; c++)
-                abs_sample += FFABS(src[c]);
+                abs_sample += fabs(src[c]);
 
             abs_sample /= inlink->channels;
         }