diff --git a/bob/io/video/test_codec.py b/bob/io/video/test_codec.py
index 6fc9b7249e1040a96a5eab3bcdf3c69ef3d5bc6d..9692314b80f0ce20908de4a1d7b9d7ab908a8495 100644
--- a/bob/io/video/test_codec.py
+++ b/bob/io/video/test_codec.py
@@ -15,6 +15,9 @@ from .utils import color_distortion, frameskip_detection, quality_degradation
 # These are some global parameters for the test.
 INPUT_VIDEO = test_utils.datafile('test.mov', __name__)
 
+# Fix numpy random seed for tests, so they are repeatable
+numpy.random.seed(0)
+
 def check_format_codec(function, shape, framerate, format, codec, maxdist):
 
   length, height, width = shape