diff --git a/apps/nexus/mfile.h b/apps/nexus/mfile.h
index 415e2914..4a2d1b28 100644
--- a/apps/nexus/mfile.h
+++ b/apps/nexus/mfile.h
@@ -38,7 +38,7 @@ class MFile {
   void WriteBuffer(void *data, unsigned int size);
 
   bool IsReadOnly() { return readonly; }
-
+  void SetReadOnly(bool rd) { readonly = rd; } //USE WITH CARE!!!!
  protected:
   std::string filename;
   std::vector<File *> files;
diff --git a/apps/nexus/nexus.cpp b/apps/nexus/nexus.cpp
index fad04415..bcc8c601 100644
--- a/apps/nexus/nexus.cpp
+++ b/apps/nexus/nexus.cpp
@@ -91,7 +91,7 @@ bool Nexus::Load(const string &file, bool readonly) {
   //TODO support readonly
   if(!patches.Load(file + ".nxp", signature, chunk_size, readonly)) 
     return false;
-  if(!borders.Load(file + ".nxb", readonly, 1, 100)) return false;
+  if(!borders.Load(file + ".nxb", readonly, 1, 500)) return false;
   return true;
 }