diff --git a/Content.Server/Wires/WiresSystem.cs b/Content.Server/Wires/WiresSystem.cs
index 6c6add46db..9d6a7c1966 100644
--- a/Content.Server/Wires/WiresSystem.cs
+++ b/Content.Server/Wires/WiresSystem.cs
@@ -340,10 +340,14 @@ public sealed class WiresSystem : EntitySystem
         {
             foreach (var (owner, wireAction) in _finishedWires)
             {
-                // sure
-                _activeWires[owner].RemoveAll(action => action.CancelToken == wireAction.CancelToken);
+                if (!_activeWires.TryGetValue(owner, out var activeWire))
+                {
+                    continue;
+                }
 
-                if (_activeWires[owner].Count == 0)
+                activeWire.RemoveAll(action => action.CancelToken == wireAction.CancelToken);
+
+                if (activeWire.Count == 0)
                 {
                     _activeWires.Remove(owner);
                 }