diff --git a/spacy/tests/pipeline/test_tagger.py b/spacy/tests/pipeline/test_tagger.py
index f5de582b1..c85e8f575 100644
--- a/spacy/tests/pipeline/test_tagger.py
+++ b/spacy/tests/pipeline/test_tagger.py
@@ -68,6 +68,7 @@ PARTIAL_DATA = [
 
 
 def test_label_smoothing():
+    util.fix_random_seed()
     nlp = Language()
     tagger_no_ls = nlp.add_pipe(
         "tagger", "no_label_smoothing", config=dict(label_smoothing=0.0)