diff --git a/Source/HarmonyPatches.cs b/Source/HarmonyPatches.cs
index 605a278..1026120 100644
--- a/Source/HarmonyPatches.cs
+++ b/Source/HarmonyPatches.cs
@@ -590,6 +590,12 @@ public static bool WipeExistingThings(IntVec3 thingPos, Rot4 thingRot, Buildable
         //GenSpawn
         public static void InvisDoorsDontWipe(BuildableDef newEntDef, BuildableDef oldEntDef, ref bool __result)
         {
+            if (newEntDef.defName.StartsWith("Fragment_") &&
+                oldEntDef.defName.StartsWith("Fragment_"))
+            {
+                return;
+            }
+            
             var oldTrueDef =
                 DefDatabase<ThingDef>.AllDefs.FirstOrDefault(predicate: x => x.defName == oldEntDef.defName);
             var newTrueDef =
@@ -904,4 +910,4 @@ public static void GetHeronRegionType(ref RegionType __result, IntVec3 c, Map ma
             }
         }
     }
-}
\ No newline at end of file
+}