diff --git a/pisi/build.py b/pisi/build.py
index 5c0b6b9c..7de43d93 100644
--- a/pisi/build.py
+++ b/pisi/build.py
@@ -474,18 +474,23 @@ class Builder:
         """Build each package defined in PSPEC file. After this process there
         will be .pisi files hanging around, AS INTENDED ;)"""
 
+        from copy import deepcopy
+
         # Strip install directory before building .pisi packages.
         self.strip_install_dir()
 
         for package in self.spec.packages:
-
             # store additional files
             c = os.getcwd()
             os.chdir(self.pspecDir)
             install_dir = self.bctx.pkg_dir() + ctx.const.install_dir_suffix
+            tmp_aF = []
             for afile in package.additionalFiles:
                 destdir = util.join_path(install_dir, os.path.dirname(afile.target))
                 for src in glob.glob(util.join_path(ctx.const.files_dir, afile.filename)):
+                    tmp_afile_obj = deepcopy(afile)
+                    tmp_afile_obj.filename = src[len(ctx.const.files_dir) + 1:]
+                    tmp_aF.append(tmp_afile_obj)
                     destfile = os.path.basename(afile.target)
                     if not destfile: destfile = os.path.basename(src)
                     ctx.ui.debug(_("Copying additional file: '%s' to '%s' as '%s'") \
@@ -495,6 +500,8 @@ class Builder:
                         # mode is octal!
                         os.chmod(util.join_path(destdir, destfile), int(afile.permission, 8))
 
+            package.additionalFiles = tmp_aF
+
             os.chdir(c)
            
             ctx.ui.action(_("** Building package %s") % package.name);