diff --git a/pkgs/by-name/ga/gallia/package.nix b/pkgs/by-name/ga/gallia/package.nix
index 93aaf75816c8..88a4187535e7 100644
--- a/pkgs/by-name/ga/gallia/package.nix
+++ b/pkgs/by-name/ga/gallia/package.nix
@@ -38,7 +38,7 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
     zstandard
   ];
 
-  SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
+  env.SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
 
   nativeCheckInputs =
     with python3.pkgs;