1 files changed, 9 insertions, 7 deletions
diff --git a/internal/game/cmd_swapid.go b/internal/game/cmd_swapid.go
index 8b637fb..d1dbd68 100644
--- a/internal/game/cmd_swapid.go
+++ b/internal/game/cmd_swapid.go
@@ -66,13 +66,15 @@ func (g *Game) executeSwapID(sess *net.Session, args []string, rawInput string)
 	// Refuse while non-admin players are online: swapping room IDs relocates
 	// every character whose state embeds those IDs, which is disruptive to
 	// normal play. Admins may stay online (their own state is migrated too).
-	for _, other := range g.Hub.AllSessions() {
-		if other == sess || other.Player == nil {
-			continue
-		}
-		if !g.checkAdmin(other) {
-			sess.WriteLine("Cannot swap room IDs while non-admin players are online.")
-			return
+	if g.Hub != nil {
+		for _, other := range g.Hub.AllSessions() {
+			if other == sess || other.Player == nil {
+				continue
+			}
+			if !g.checkAdmin(other) {
+				sess.WriteLine("Cannot swap room IDs while non-admin players are online.")
+				return
+			}
 		}
 	}