diff --git a/tests/checkasm/vp9dsp.c b/tests/checkasm/vp9dsp.c
index a91577b94e..337ab218d5 100644
--- a/tests/checkasm/vp9dsp.c
+++ b/tests/checkasm/vp9dsp.c
@@ -368,6 +368,12 @@ static void check_itxfm(void)
                         bench_new(dst, sz * SIZEOF_PIXEL, coef, eob);
                     }
                 }
+                if (txtp == 0 && tx != 4) {
+                    if (check_func(dsp.itxfm_add[tx][txtp], "vp9_inv_%s_%dx%d_dc_add_%d",
+                                   txtp_types[txtp], sz, sz, bit_depth)) {
+                        bench_new(dst, sz * SIZEOF_PIXEL, coef, 1);
+                    }
+                }
             }
         }
     }