diff --git a/spacy/tests/parser/test_nn_beam.py b/spacy/tests/parser/test_nn_beam.py
index 45c85d969..ab8bf012b 100644
--- a/spacy/tests/parser/test_nn_beam.py
+++ b/spacy/tests/parser/test_nn_beam.py
@@ -63,7 +63,7 @@ def vector_size():
 
 @pytest.fixture
 def beam(moves, states, golds, beam_width):
-    return ParserBeam(moves, states, golds, width=beam_width)
+    return ParserBeam(moves, states, golds, width=beam_width, density=0.0)
 
 @pytest.fixture
 def scores(moves, batch_size, beam_width):