diff --git a/libavfilter/vf_fftfilt.c b/libavfilter/vf_fftfilt.c
index 1ffbe02ec4..af0e1f51d2 100644
--- a/libavfilter/vf_fftfilt.c
+++ b/libavfilter/vf_fftfilt.c
@@ -382,11 +382,9 @@ static int config_props(AVFilterLink *inlink)
     if (s->depth <= 8) {
         s->rdft_horizontal = rdft_horizontal8;
         s->irdft_horizontal = irdft_horizontal8;
-    } else if (s->depth > 8) {
+    } else {
         s->rdft_horizontal = rdft_horizontal16;
         s->irdft_horizontal = irdft_horizontal16;
-    } else {
-        return AVERROR_BUG;
     }
     return 0;
 }