diff --git a/power_fv/checks/insn/_cr.py b/power_fv/checks/insn/_cr.py
index aee8d5e..d604cd6 100644
--- a/power_fv/checks/insn/_cr.py
+++ b/power_fv/checks/insn/_cr.py
@@ -87,7 +87,7 @@ class CRSpec(Elaboratable):
                 spec_cr_r_stb[::-1].bit_select(spec_insn.ba[2:], width=1).eq(1),
                 spec_cr_r_stb[::-1].bit_select(spec_insn.bb[2:], width=1).eq(1),
                 spec_cr_w_stb[::-1].bit_select(spec_insn.bt[2:], width=1).eq(1),
-                spec_cr_w_data.eq(Repl(spec_bt_w_field, 8))
+                spec_cr_w_data[::-1].eq(Repl(spec_bt_w_field, 8))
             ]
         else:
             assert False