diff --git a/pkgs/development/python-modules/aioimaplib/default.nix b/pkgs/development/python-modules/aioimaplib/default.nix
index a2e805812b6b..cb5774ea2c3a 100644
--- a/pkgs/development/python-modules/aioimaplib/default.nix
+++ b/pkgs/development/python-modules/aioimaplib/default.nix
@@ -12,7 +12,7 @@
   pytz,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "aioimaplib";
   version = "2.0.3";
   pyproject = true;
@@ -20,7 +20,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "iroco-co";
     repo = "aioimaplib";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-amEY44mW5EFDMTwfC7+ut28CeWTdEEMzZ/aX3k+IF7g=";
   };
 
@@ -61,8 +61,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python asyncio IMAP4rev1 client library";
     homepage = "https://github.com/iroco-co/aioimaplib";
-    changelog = "https://github.com/iroco-co/aioimaplib/blob/${src.tag}/CHANGES.rst";
+    changelog = "https://github.com/iroco-co/aioimaplib/blob/${finalAttrs.src.tag}/CHANGES.rst";
     license = lib.licenses.gpl3Plus;
     maintainers = [ lib.maintainers.dotlambda ];
   };
-}
+})