diff --git a/tests/Aetheria.Shared.Tests/LaunchSuppressorTests.cs b/tests/Aetheria.Shared.Tests/LaunchSuppressorTests.cs
index 795c7189e..6fe939064 100644
--- a/tests/Aetheria.Shared.Tests/LaunchSuppressorTests.cs
+++ b/tests/Aetheria.Shared.Tests/LaunchSuppressorTests.cs
@@ -213,7 +213,7 @@ public sealed partial class ContactRevealTests
         foreach (var ship in new[] { paying, twin, control })
         {
             ship.SetTarget(TargetRef.None);
-            BeamItem(ship).Behaviors.Single(b => b is ConstantWeapon).Activate();
+            BeamItem(ship).Behaviors.OfType<ConstantWeapon>().Single().Activate();
         }
         var p = CellOf(SuppressorItem(paying, "Suppressor"));
         var t = CellOf(SuppressorItem(twin, "SuppressorCold"));