diff --git a/server/gameserver/navmeshbuilder.cc b/server/gameserver/navmeshbuilder.cc
index df9d241..1d69eab 100644
--- a/server/gameserver/navmeshbuilder.cc
+++ b/server/gameserver/navmeshbuilder.cc
@@ -68,9 +68,8 @@ void NavMeshBuilder::InitBuilderParams(BuilderParams& builder_params)
     }
 }
 
-void NavMeshBuilder::InitTileCacheParams(BuilderParams& builder_params)
+void NavMeshBuilder::InitTileCacheParams(BuilderParams& builder_params, dtTileCacheParams& tcparams)
 {
-    dtTileCacheParams& tcparams = builder_params.tcparams;
     // Tile cache params.
     memset(&tcparams, 0, sizeof(tcparams));
     rcVcopy(tcparams.orig, builder_params.gemo->GetMeshBoundsMin());
@@ -322,10 +321,11 @@ int NavMeshBuilder::RasterizeTileLayers(const int tx, const int ty,
 
 bool NavMeshBuilder::CreateTileCache(BuilderParams& builder_params)
 {
-    InitTileCacheParams(builder_params);
+    dtTileCacheParams tcparams;
+    InitTileCacheParams(builder_params, tcparams);
     builder_params.tile_cache = dtAllocTileCache();
     dtStatus status = builder_params.tile_cache->init
-        (&builder_params.tcparams,
+        (&tcparams,
          builder_params.talloc,
          builder_params.tcomp,
          builder_params.tmproc);
diff --git a/server/gameserver/navmeshbuilder.h b/server/gameserver/navmeshbuilder.h
index c2a5270..0a46790 100644
--- a/server/gameserver/navmeshbuilder.h
+++ b/server/gameserver/navmeshbuilder.h
@@ -21,7 +21,7 @@ public:
 
  private:
     void InitBuilderParams(BuilderParams& builder_params);
-    void InitTileCacheParams(BuilderParams& builder_params);
+    void InitTileCacheParams(BuilderParams& builder_params, dtTileCacheParams& tcparams);
     void InitNavMeshParams(BuilderParams& builder_params, dtNavMeshParams& params);
     void BuildTiles(BuilderParams& builder_params);
     int RasterizeTileLayers(const int tx, const int ty,
diff --git a/server/gameserver/navmeshhelper.h b/server/gameserver/navmeshhelper.h
index 72765d8..802a845 100644
--- a/server/gameserver/navmeshhelper.h
+++ b/server/gameserver/navmeshhelper.h
@@ -293,7 +293,6 @@ struct BuilderParams
 
     InputGeom* gemo = nullptr;
     rcConfig cfg;
-    dtTileCacheParams tcparams;
     MapInstance* map_instance = nullptr;
     LinearAllocator* talloc = nullptr;
     FastLZCompressor* tcomp = nullptr;