diff --git a/modules/programs/go.nix b/modules/programs/go.nix
index 7d8adebb..9ffb4019 100644
--- a/modules/programs/go.nix
+++ b/modules/programs/go.nix
@@ -161,7 +161,7 @@ in
 
               mkSrc = n: v: { "${mainGoPath}/src/${n}".source = v; };
             in
-            lib.foldl' (a: b: a // b) { } (lib.mapAttrsToList mkSrc cfg.packages)
+            lib.mergeAttrsList (lib.mapAttrsToList mkSrc cfg.packages)
           );
         }