diff --git a/tests/checkasm/ac3dsp.c b/tests/checkasm/ac3dsp.c
index 442e965f3b..8c682d03cd 100644
--- a/tests/checkasm/ac3dsp.c
+++ b/tests/checkasm/ac3dsp.c
@@ -181,7 +181,7 @@ static void check_ac3_sum_square_butterfly_float(AC3DSPContext *c) {
         call_ref(v1, lt, rt, ELEMS);
         call_new(v2, lt, rt, ELEMS);
 
-        if (!float_near_ulp_array(v1, v2, 10, 4))
+        if (!float_near_ulp_array(v1, v2, 11, 4))
             fail();
 
         bench_new(v2, lt, rt, ELEMS);