diff --git a/SOSCSRPG.ViewModels/GameSession.cs b/SOSCSRPG.ViewModels/GameSession.cs
index eb162ab..ec88b7f 100644
--- a/SOSCSRPG.ViewModels/GameSession.cs
+++ b/SOSCSRPG.ViewModels/GameSession.cs
@@ -312,6 +312,11 @@ private void GivePlayerQuestsAtLocation()
 
         public void AttackCurrentMonster()
         {
+            if (CurrentMonster == null)
+            {
+                return;
+            }
+
             _currentBattle?.AttackOpponent();
         }