diff --git a/pkgs/development/python-modules/irisclient/default.nix b/pkgs/development/python-modules/irisclient/default.nix
index d3250cdb1aa6..5d463edcc8b6 100644
--- a/pkgs/development/python-modules/irisclient/default.nix
+++ b/pkgs/development/python-modules/irisclient/default.nix
@@ -35,7 +35,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Python client for Iris REST api";
-    changelog = "https://github.com/houqp/iris-python-client/blob/v${src.tag}/HISTORY.rst";
+    changelog = "https://github.com/houqp/iris-python-client/blob/${src.tag}/HISTORY.rst";
     homepage = "https://github.com/houqp/iris-python-client";
     license = lib.licenses.bsd2;
     maintainers = with lib.maintainers; [ onny ];