diff --git a/lib/align/alignments.py b/lib/align/alignments.py
index 68bdbceb..ff0f2207 100644
--- a/lib/align/alignments.py
+++ b/lib/align/alignments.py
@@ -407,8 +407,8 @@ class Alignments():
             ``True`` if all faces in the current alignments possess the given ``mask_type``
             otherwise ``False``
         """
-        retval = any((face.get("mask", None) is not None and
-                      face["mask"].get(mask_type, None) is not None)
+        retval = all((face.get("mask") is not None and
+                      face["mask"].get(mask_type) is not None)
                      for val in self._data.values()
                      for face in val["faces"])
         logger.debug(retval)