diff --git a/src/arch/arm/faults.hh b/src/arch/arm/faults.hh
index dcda03b..859fd34 100644
--- a/src/arch/arm/faults.hh
+++ b/src/arch/arm/faults.hh
@@ -612,6 +612,7 @@
 template<> ArmFault::FaultVals ArmFaultVals<VirtualInterrupt>::vals;
 template<> ArmFault::FaultVals ArmFaultVals<FastInterrupt>::vals;
 template<> ArmFault::FaultVals ArmFaultVals<VirtualFastInterrupt>::vals;
+template<> ArmFault::FaultVals ArmFaultVals<IllegalInstSetStateFault>::vals;
 template<> ArmFault::FaultVals ArmFaultVals<SupervisorTrap>::vals;
 template<> ArmFault::FaultVals ArmFaultVals<SecureMonitorTrap>::vals;
 template<> ArmFault::FaultVals ArmFaultVals<PCAlignmentFault>::vals;