diff --git a/tests/ice40/macc.ys b/tests/ice40/macc.ys
index d65c31b73..fe5b5f662 100644
--- a/tests/ice40/macc.ys
+++ b/tests/ice40/macc.ys
@@ -5,6 +5,6 @@ equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 -dsp # equivalency check
 design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
 cd top # Constrain all select calls below inside the top module
 select -assert-count 38 t:SB_LUT4
-select -assert-count 6 t:SB_CARRY
+select -assert-count 3 t:SB_CARRY
 select -assert-count 7 t:SB_DFFSR
 select -assert-none t:SB_LUT4 t:SB_CARRY t:SB_DFFSR %% t:* %D