diff --git a/pkgs/development/python-modules/orange-widget-base/default.nix b/pkgs/development/python-modules/orange-widget-base/default.nix
index 560e6b6f6da3..f749c03fa2e0 100644
--- a/pkgs/development/python-modules/orange-widget-base/default.nix
+++ b/pkgs/development/python-modules/orange-widget-base/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "biolab";
     repo = "orange-widget-base";
-    rev = "refs/tags/${version}";
+    tag = version;
     hash = "sha256-tWo8vwC8xLA2ZKeab2GqpXGdlHhaqOT9wu1efqSHZSg=";
   };