diff --git a/Upgrade.lua b/Upgrade.lua
index 4fde8c6..9b6bc8c 100644
--- a/Upgrade.lua
+++ b/Upgrade.lua
@@ -213,6 +213,15 @@ local function addCommandSet(queriesAndCommands)
             "simple-entity"
         }
     }
+    queriesAndCommands.cpsFilteredEnemyAnyFound = {
+        area=cpsSharedChunkArea,
+        force=queriesAndCommands.enemyForces,
+        type={
+            "turret",
+            "unit-spawner"
+        },
+        limit = 1
+    }
 
     -- msrc
     local msrcSharedChunkArea = {
@@ -468,7 +477,6 @@ function upgrade.attempt(universe)
     if global.version < 204 then
         global.version = 204
 
-        addCommandSet(universe)
         universe.eventId = 0
         universe.chunkId = 0
         universe.randomGenerator = nil
@@ -509,8 +517,12 @@ function upgrade.attempt(universe)
         universe.chunkToPassScanIterator = nil
         universe.baseId = 0
         universe.awake = false
+    end
+    if global.version < 205 then
+        global.version = 205
 
-        game.print("Rampant - Version 2.0.0")
+        addCommandSet(universe)
+        game.print("Rampant - Version 2.0.1")
     end
 
     return (starting ~= global.version) and global.version
diff --git a/changelog.txt b/changelog.txt
index 443553c..915e0f4 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,8 @@ Version: 2.0.1
 Date: 23. 11. 2021
   Contributions:
     - RealSimplyData fixed missing map parameter in onUnitGroupCreated (Thanks illiander42 for reporting)
+  Bugfixes:
+    - Fixed chunkPassScanning not checking for enemy structures when determining passability
 
 ---------------------------------------------------------------------------------------------------
 Version: 2.0.0
diff --git a/info.json b/info.json
index f09ee18..074baec 100644
--- a/info.json
+++ b/info.json
@@ -1,7 +1,7 @@
 {
     "name" : "Rampant",
     "factorio_version" : "1.1",
-    "version" : "2.0.0",
+    "version" : "2.0.1",
     "title" : "Rampant",
     "author" : "Veden",
     "homepage" : "https://forums.factorio.com/viewtopic.php?f=94&t=31445",
diff --git a/libs/ChunkUtils.lua b/libs/ChunkUtils.lua
index 3e9a1d7..1eeb7ce 100644
--- a/libs/ChunkUtils.lua
+++ b/libs/ChunkUtils.lua
@@ -276,8 +276,9 @@ function chunkUtils.chunkPassScan(chunk, map)
     local universe = map.universe
     setAreaInQueryChunkSize(universe.cpsFilteredTilesQuery, chunk)
     local waterTiles = (1 - (surface.count_tiles_filtered(universe.cpsFilteredTilesQuery) * 0.0009765625)) * 0.80
+    local enemyCount = surface.count_entities_filtered(universe.cpsFilteredEnemyAnyFound)
 
-    if (waterTiles >= CHUNK_PASS_THRESHOLD) then
+    if (waterTiles >= CHUNK_PASS_THRESHOLD) or (enemyCount > 0) then
         local neutralObjects = mMax(0,
                                     mMin(1 - (surface.count_entities_filtered(universe.cpsFilteredEntitiesChunkNeutral) * 0.005),
                                          1) * 0.20)
@@ -285,9 +286,7 @@ function chunkUtils.chunkPassScan(chunk, map)
 
         local playerObjects = getPlayerBaseGenerator(map, chunk)
 
-        local nests = getNestCount(map, chunk)
-
-        if ((playerObjects > 0) or (nests > 0)) and (pass == CHUNK_IMPASSABLE) then
+        if ((playerObjects > 0) or (enemyCount > 0)) and (pass == CHUNK_IMPASSABLE) then
             pass = CHUNK_ALL_DIRECTIONS
         end