diff --git a/pkgs/by-name/ro/robotframework-tidy/package.nix b/pkgs/by-name/ro/robotframework-tidy/package.nix
index c129758de6af..19c1d4b75f20 100644
--- a/pkgs/by-name/ro/robotframework-tidy/package.nix
+++ b/pkgs/by-name/ro/robotframework-tidy/package.nix
@@ -18,7 +18,7 @@ python3.pkgs.buildPythonApplication rec {
 
   build-system = with python3.pkgs; [ setuptools ];
 
-  pythonRelaxDeps = [ "rich-click" ];
+  pythonRelaxDeps = [ "rich_click" ];
 
   dependencies = with python3.pkgs; [
     robotframework