diff --git a/pkgs/development/python-modules/hmmlearn/default.nix b/pkgs/development/python-modules/hmmlearn/default.nix
index 909606c25ebf..3f601eacc429 100644
--- a/pkgs/development/python-modules/hmmlearn/default.nix
+++ b/pkgs/development/python-modules/hmmlearn/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
   checkInputs = [ pytest ];
 
   checkPhase = ''
-    pytest --doctest-modules --pyargs hmmlearn
+    pytest --pyargs hmmlearn
   '';
 
   meta = with lib; {