diff --git a/binarizer.py b/binarizer.py
index d7c6b4897..797e60557 100644
--- a/binarizer.py
+++ b/binarizer.py
@@ -187,6 +187,8 @@ def binarize_module(self, module_name):
     if self.paths["privatekey"] != "":
       bisignlocation = os.path.join(os.path.dirname(self.scriptpath),
         ".build")
+      bisignlocation = os.path.join(bisignlocation,
+        module_name+".pbo."+PROJECTNAME+".bisign")
       try:
         shutil.move(
           bisignlocation,