diff --git a/test/lowlevel-blt-bench.c b/test/lowlevel-blt-bench.c
index ecad134..3da094a 100644
--- a/test/lowlevel-blt-bench.c
+++ b/test/lowlevel-blt-bench.c
@@ -714,6 +714,7 @@ tests_tbl[] =
     { "outrev_n_8888_x888_ca", PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_x8r8g8b8 },
     { "outrev_n_8888_8888_ca", PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_a8r8g8b8 },
     { "over_reverse_n_8888",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER_REVERSE, PIXMAN_null, 0, PIXMAN_a8r8g8b8 },
+    { "in_reverse_8888_8888",  PIXMAN_a8r8g8b8,    0, PIXMAN_OP_IN_REVERSE, PIXMAN_null,  0, PIXMAN_a8r8g8b8 },
     { "pixbuf",                PIXMAN_x8b8g8r8,    0, PIXMAN_OP_SRC,     PIXMAN_a8b8g8r8, 0, PIXMAN_a8r8g8b8 },
     { "rpixbuf",               PIXMAN_x8b8g8r8,    0, PIXMAN_OP_SRC,     PIXMAN_a8b8g8r8, 0, PIXMAN_a8b8g8r8 },
 };