diff --git a/tests/checkasm/vf_blend.c b/tests/checkasm/vf_blend.c
index b5a96ee4bc..c387d36814 100644
--- a/tests/checkasm/vf_blend.c
+++ b/tests/checkasm/vf_blend.c
@@ -68,7 +68,7 @@
                      const uint8_t *bottom, ptrdiff_t bottom_linesize,                     \
                      uint8_t *dst, ptrdiff_t dst_linesize,                                 \
                      ptrdiff_t width, ptrdiff_t height,                                    \
-                     struct FilterParams *param, double *values);                          \
+                     struct FilterParams *param, struct SliceParams *sliceparam);          \
         w = WIDTH / depth;                                                                 \
                                                                                            \
         for (i = 0; i < BUF_UNITS - 1; i++) {                                              \