diff --git a/modules/blendfile_pack.py b/modules/blendfile_pack.py
index 989bf97..7c839be 100755
--- a/modules/blendfile_pack.py
+++ b/modules/blendfile_pack.py
@@ -54,7 +54,8 @@ def _relpath_remap(
         ):
 
     import os
-
+    assert(os.path.isabs(path_src))
+    path_src = os.path.normpath(path_src)
     path_dst = os.path.relpath(path_src, base_dir_src)
 
     if blendfile_src_dir_fakeroot is None:
@@ -77,8 +78,10 @@ def _relpath_remap(
             path_dst = os.path.normpath(path_dst)
             path_dst = b'_' + path_dst
 
-        path_dst_final = os.path.join(os.path.relpath(fp_basedir, base_dir_src), path_dst)
+        # _dbg(b"FINAL A: " + path_dst)
+        path_dst_final = os.path.join(os.path.relpath(base_dir_src, fp_basedir), path_dst)
         path_dst_final = os.path.normpath(path_dst_final)
+        # _dbg(b"FINAL B: " + path_dst_final)
 
     return path_dst, path_dst_final
 
diff --git a/modules/blendfile_path_walker.py b/modules/blendfile_path_walker.py
index cd5f7f5..ee2db9f 100644
--- a/modules/blendfile_path_walker.py
+++ b/modules/blendfile_path_walker.py
@@ -95,10 +95,10 @@ class FPElem:
     def filepath_absolute(self):
         filepath = self.filepath
         if filepath.startswith(b'//'):
-            return os.path.join(
+            return os.path.normpath(os.path.join(
                     self.basedir,
                     utils.compatpath(filepath[2:]),
-                    )
+                    ))
         else:
             return utils.compatpath(filepath)
 
@@ -269,8 +269,9 @@ class FilePath:
             if block_codes_idlib is not None:
                 def iter_blocks_idlib():
                     for block in blend.find_blocks_from_code(b'LI'):
-                        if block[b'name'] in block_codes_idlib:
-                            yield from block_expand(block, b'LI')
+                        # TODO, this should work but in fact mades some libs not link correctly.
+                        # if block[b'name'] in block_codes_idlib:
+                        yield from block_expand(block, b'LI')
             else:
                 def iter_blocks_idlib():
                     return blend.find_blocks_from_code(b'LI')