diff --git a/power_fv/checks/insn/_branch.py b/power_fv/checks/insn/_branch.py
index ed1b19a..13aeb2c 100644
--- a/power_fv/checks/insn/_branch.py
+++ b/power_fv/checks/insn/_branch.py
@@ -226,7 +226,7 @@ class BranchSpec(Elaboratable):
         return m
 
 
-class BranchCheck(PowerFVCheck, name=None):
+class BranchCheck(PowerFVCheck, name="_insn_branch"):
     def __init_subclass__(cls, name, insn_cls):
         super().__init_subclass__(name)
         cls.insn_cls = insn_cls