diff --git a/pkgs/by-name/aw/awsume/package.nix b/pkgs/by-name/aw/awsume/package.nix
index a9cc42881dcb..56c31bccc45e 100644
--- a/pkgs/by-name/aw/awsume/package.nix
+++ b/pkgs/by-name/aw/awsume/package.nix
@@ -17,7 +17,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
     hash = "sha256-lm9YANYckyHDoNbB1wytBm55iyBmUuxFPmZupfpReqc=";
   };
 
-  AWSUME_SKIP_ALIAS_SETUP = 1;
+  env.AWSUME_SKIP_ALIAS_SETUP = 1;
 
   nativeBuildInputs = [ installShellFiles ];