diff --git a/bob/bio/video/extractor/Wrapper.py b/bob/bio/video/extractor/Wrapper.py
index 62294383bb6659795083707b4516b0212a1d7d30..4af0c2d5ea1e123a67f8d2632f94e14f36e41816 100644
--- a/bob/bio/video/extractor/Wrapper.py
+++ b/bob/bio/video/extractor/Wrapper.py
@@ -83,8 +83,13 @@ class Wrapper (bob.bio.base.extractor.Extractor):
     for index, frame, quality in self.frame_selector(frames):
       # extract features
       extracted = self.extractor(frame)
-      # add features to new frame container
-      fc.add(index, extracted, quality)
+      if extracted is not None:
+        # add features to new frame container
+        fc.add(index, extracted, quality)
+
+    if not len(fc):
+      return None
+
     return fc