diff --git a/internal/coordinator/coordinator.go b/internal/coordinator/coordinator.go
index ad99dd3..664ee6d 100644
--- a/internal/coordinator/coordinator.go
+++ b/internal/coordinator/coordinator.go
@@ -98,6 +98,13 @@ func (c *Coordinator) Coordinate(cmd *SessionCommand) *SessionCommandResult {
 				Result:  SessionRespLeft,
 			}
 		}
+		if m.Game == nil {
+			return &SessionCommandResult{
+				ID:      cmd.ID,
+				MatchID: m.ID,
+				Result:  SessionRespError,
+			}
+		}
 		resp := m.Play(cmd.ID, cmd.GameCommand)
 		return &SessionCommandResult{
 			ID:         cmd.ID,