diff --git a/bob/pad/face/database/__init__.py b/bob/pad/face/database/__init__.py
index eb70097d70d699698b2012e83365b4ebb6d89740..753f5ef010ae763e4886a7213d05a2a327aeeabd 100644
--- a/bob/pad/face/database/__init__.py
+++ b/bob/pad/face/database/__init__.py
@@ -34,7 +34,8 @@ __appropriate__(
     MIFSPadDatabase,
     BatlPadDatabase,
     CELEBAPadDatabase,
-    MaskAttackPadDatabase
+    MaskAttackPadDatabase,
+    CasiaSurfPadDatabase
 )
 
 __all__ = [_ for _ in dir() if not _.startswith('_')]