diff --git a/pyro/BuildFacade.py b/pyro/BuildFacade.py
index 14c3ffc1..fa0ae2a6 100644
--- a/pyro/BuildFacade.py
+++ b/pyro/BuildFacade.py
@@ -132,20 +132,14 @@ def try_anonymize(self) -> None:
         if not scripts and not self.ppj.missing_script_names and not self.ppj.options.no_incremental_build:
             BuildFacade.log.error('Cannot anonymize compiled scripts because no source scripts were modified')
         else:
+            # these are absolute paths. there's no reason to manipulate them.
             for pex_path in self.ppj.pex_paths:
-                if self.ppj.options.game_type == 'fo4':
-                    namespace, file_name = PathHelper.nsify(pex_path)
-                    target_path = os.path.join(self.ppj.options.output_path, namespace, file_name)
-                else:
-                    pex_path = os.path.basename(pex_path)
-                    target_path = os.path.join(self.ppj.options.output_path, pex_path)
-
-                if not os.path.exists(target_path):
-                    BuildFacade.log.error('Cannot locate file to anonymize: "%s"' % target_path)
+                if not os.path.exists(pex_path):
+                    BuildFacade.log.warn('Cannot locate file to anonymize: "%s"' % pex_path)
                     continue
 
-                BuildFacade.log.info('Anonymizing "%s"...' % target_path)
-                Anonymizer.anonymize_script(target_path)
+                BuildFacade.log.info('Anonymizing "%s"...' % pex_path)
+                Anonymizer.anonymize_script(pex_path)
 
     def try_pack(self) -> None:
         """Generates ZIP archive for project"""
diff --git a/pyro/PackageManager.py b/pyro/PackageManager.py
index 08dd884d..a16980ce 100644
--- a/pyro/PackageManager.py
+++ b/pyro/PackageManager.py
@@ -24,9 +24,9 @@ def _copy_scripts_to_temp_path(self, psc_paths: list, temp_path: str) -> None:
 
         for pex_path in pex_paths:
             if self.ppj.options.game_type == 'fo4':
-                namespace, file_name = PathHelper.nsify(pex_path)
-                target_path = os.path.join(self.ppj.options.output_path, namespace, file_name)
-                temp_file_path = os.path.join(temp_path, namespace, file_name)
+                rel_object_name = PathHelper.calculate_relative_object_name(pex_path, self.ppj.import_paths)
+                target_path = os.path.join(self.ppj.options.output_path, rel_object_name)
+                temp_file_path = os.path.join(temp_path, rel_object_name)
             else:
                 target_path = os.path.abspath(pex_path)
                 temp_file_path = os.path.join(temp_path, os.path.basename(pex_path))
diff --git a/pyro/PapyrusProject.py b/pyro/PapyrusProject.py
index a60ee42c..1b5a3422 100644
--- a/pyro/PapyrusProject.py
+++ b/pyro/PapyrusProject.py
@@ -217,11 +217,9 @@ def _get_pex_paths(self) -> list:
         # build paths to compiled scripts
         for psc_path in psc_paths:
             if self.options.game_type == 'fo4':
-                namespace, file_name = PathHelper.nsify(psc_path)
-                target_path = os.path.join(self.options.output_path, namespace, file_name.replace('.psc', '.pex'))
-            else:
-                target_path = os.path.join(self.options.output_path, psc_path.replace('.psc', '.pex'))
+                psc_path = PathHelper.calculate_relative_object_name(psc_path, self.import_paths)
 
+            target_path = os.path.join(self.options.output_path, psc_path.replace('.psc', '.pex'))
             pex_paths.append(target_path)
 
         return PathHelper.uniqify(pex_paths)
@@ -384,8 +382,7 @@ def build_commands(self) -> list:
         # generate list of commands
         for psc_path in psc_paths:
             if self.options.game_type == 'fo4':
-                namespace, file_name = PathHelper.nsify(psc_path)
-                psc_path = os.path.join(namespace, file_name)
+                psc_path = PathHelper.calculate_relative_object_name(psc_path, self.import_paths)
 
             arguments.clear()
             arguments.append_quoted(compiler_path)
diff --git a/pyro/PathHelper.py b/pyro/PathHelper.py
index ba0e875a..beb89fc3 100644
--- a/pyro/PathHelper.py
+++ b/pyro/PathHelper.py
@@ -18,10 +18,14 @@ def try_append_abspath(a: str, b: list) -> bool:
         return False
 
     @staticmethod
-    def nsify(path: str) -> tuple:
-        """Returns tuple(parent folder, file name) from absolute path"""
-        parent_folder, file_name = map(lambda x: os.path.basename(x), [os.path.dirname(path), path])
-        return parent_folder, file_name
+    def calculate_relative_object_name(path: str, import_paths: list) -> str:
+        """Returns import-relative path from absolute path (should be used only for Fallout 4 paths)"""
+        # reverse the list to find the best import path
+        for import_path in reversed(import_paths):
+            if len(path) > len(import_path) and import_path in path:
+                relative_path = os.path.relpath(path, import_path)
+                return relative_path
+        raise ValueError('Cannot build import-relative path from absolute path: "%s"' % path)
 
     @staticmethod
     def uniqify(items: list) -> list: