diff --git a/pkgs/development/python-modules/pyshark/default.nix b/pkgs/development/python-modules/pyshark/default.nix
index b33a1bd9f38..f3d2589d62e 100644
--- a/pkgs/development/python-modules/pyshark/default.nix
+++ b/pkgs/development/python-modules/pyshark/default.nix
@@ -46,7 +46,7 @@ buildPythonPackage rec {
     export HOME=$(mktemp -d)
   '';
 
-  checkInputs = [ pytestCheckHook wireshark-cli ];
+  checkInputs = [ py pytestCheckHook wireshark-cli ];
 
   pythonImportsCheck = [ "pyshark" ];