diff --git a/client/main.lua b/client/main.lua
index 7a86a71..9b96c08 100644
--- a/client/main.lua
+++ b/client/main.lua
@@ -263,10 +263,14 @@ function ActionCleanup()
         end
     end
 
-    DetachEntity(NetToObj(prop_net), 1, 1)
-    DeleteEntity(NetToObj(prop_net))
-    DetachEntity(NetToObj(propTwo_net), 1, 1)
-    DeleteEntity(NetToObj(propTwo_net))
+    if prop_net then
+        DetachEntity(NetToObj(prop_net), 1, 1)
+        DeleteEntity(NetToObj(prop_net))
+    end
+    if propTwo_net then
+        DetachEntity(NetToObj(propTwo_net), 1, 1)
+        DeleteEntity(NetToObj(propTwo_net))
+    end
     prop_net = nil
     propTwo_net = nil
     runProgThread = false