diff --git a/koboldsim/cardtypes.go b/koboldsim/cardtypes.go
index d81a412..f4e7f4f 100644
--- a/koboldsim/cardtypes.go
+++ b/koboldsim/cardtypes.go
@@ -83,7 +83,7 @@ func (s *SwitchingCard) Options(*Player) ([]CardOption, error) {
 func (s *SwitchingCard) Then(p *Player, o CardOption) error {
 	newPolicy := o.(Policy)
 	var errs cardsim.ErrorCollector
-	if !newPolicy.Is(s.lastPolicy) {
+	if s.lastPolicy != nil && !newPolicy.Is(s.lastPolicy) {
 		err := s.lastPolicy.Unenact(p)
 		if cardsim.IsSeriousError(err) {
 			return err