diff --git a/lib/portage/dbapi/porttree.py b/lib/portage/dbapi/porttree.py
index 5a4d69f372..6431e5bf85 100644
--- a/lib/portage/dbapi/porttree.py
+++ b/lib/portage/dbapi/porttree.py
@@ -1009,7 +1009,7 @@ def getfetchsizes(self, mypkg, useflags=None, debug=0, myrepo=None):
 
             if mystat is None:
                 try:
-                    mystat = os.stat(file_path + _download_suffix)
+                    mystat = os.stat(file_path + str(_download_suffix))
                 except OSError:
                     pass