diff --git a/Source/Client/Patches/Determinism.cs b/Source/Client/Patches/Determinism.cs
index 121da05c..016569b5 100644
--- a/Source/Client/Patches/Determinism.cs
+++ b/Source/Client/Patches/Determinism.cs
@@ -665,4 +665,23 @@ static void Postfix(Building_Electroharvester __instance)
         }
     }
 
+    [HarmonyPatch(typeof(MainTabWindow), nameof(MainTabWindow.SetInitialSizeAndPosition))]
+    static class MainTabWindow_NoResizingInSimulation
+    {
+        static bool Prefix()
+        {
+            return Multiplayer.Client == null || Multiplayer.InInterface;
+        }
+    }
+
+    [HarmonyPatch(typeof(MainTabWindow_PawnTable), nameof(MainTabWindow_PawnTable.DoWindowContents))]
+    static class MainTabWindow_ResizeIfDirty
+    {
+        static void Prefix(MainTabWindow_PawnTable __instance)
+        {
+            if (__instance.table.dirty)
+                __instance.SetInitialSizeAndPosition();
+        }
+    }
+
 }