diff --git a/bob/pad/face/database/msu_mfsd.py b/bob/pad/face/database/msu_mfsd.py
index 09eeb81ba2ec50cf907e3379deaa431e697fdfd6..4843ff52ea726d9c118273dab11b547b126ee820 100644
--- a/bob/pad/face/database/msu_mfsd.py
+++ b/bob/pad/face/database/msu_mfsd.py
@@ -135,11 +135,11 @@ class MsuMfsdPadDatabase(PadDatabase):
 
     @property
     def original_directory(self):
-        return self._db.original_directory
+        return self.db.original_directory
 
     @original_directory.setter
     def original_directory(self, value):
-        self._db.original_directory = value
+        self.db.original_directory = value
 
     #==========================================================================
     def objects(self,
diff --git a/bob/pad/face/database/replay.py b/bob/pad/face/database/replay.py
index dc4c4343fc894e1264218fb7f5d45691163acaa7..24e1e6ea4572a549dce2ab82f0734ab933daa6bc 100644
--- a/bob/pad/face/database/replay.py
+++ b/bob/pad/face/database/replay.py
@@ -104,11 +104,11 @@ class ReplayPadDatabase(PadDatabase):
 
     @property
     def original_directory(self):
-        return self._db.original_directory
+        return self.db.original_directory
 
     @original_directory.setter
     def original_directory(self, value):
-        self._db.original_directory = value
+        self.db.original_directory = value
 
     #==========================================================================
     def objects(self,
diff --git a/bob/pad/face/database/replay_mobile.py b/bob/pad/face/database/replay_mobile.py
index d942fcd307861ca552a845999af6bad21d4a32b0..d3be7c94781862f7ba38474eb03f8485ccaf6e87 100644
--- a/bob/pad/face/database/replay_mobile.py
+++ b/bob/pad/face/database/replay_mobile.py
@@ -126,11 +126,11 @@ class ReplayMobilePadDatabase(PadDatabase):
 
     @property
     def original_directory(self):
-        return self._db.original_directory
+        return self.db.original_directory
 
     @original_directory.setter
     def original_directory(self, value):
-        self._db.original_directory = value
+        self.db.original_directory = value
 
     #==========================================================================
     def objects(self,