diff --git a/pkgs/by-name/sm/smbclient-ng/package.nix b/pkgs/by-name/sm/smbclient-ng/package.nix
index 75446d790a61..eb79e6f28a16 100644
--- a/pkgs/by-name/sm/smbclient-ng/package.nix
+++ b/pkgs/by-name/sm/smbclient-ng/package.nix
@@ -19,6 +19,7 @@ python3.pkgs.buildPythonApplication rec {
   pythonRelaxDeps = [
     "impacket"
     "pefile"
+    "rich"
   ];
 
   build-system = with python3.pkgs; [ poetry-core ];
@@ -30,6 +31,9 @@ python3.pkgs.buildPythonApplication rec {
     rich
   ];
 
+  # Project has no unit tests
+  doCheck = false;
+
   pythonImportsCheck = [ "smbclientng" ];
 
   meta = {