diff --git a/pkgs/by-name/mi/miniupnpc/package.nix b/pkgs/by-name/mi/miniupnpc/package.nix
index da622d060320..d49f0c77a468 100644
--- a/pkgs/by-name/mi/miniupnpc/package.nix
+++ b/pkgs/by-name/mi/miniupnpc/package.nix
@@ -7,18 +7,18 @@
   nixosTests,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "miniupnpc";
   version = "2.3.3";
 
   src = fetchFromGitHub {
     owner = "miniupnp";
     repo = "miniupnp";
-    tag = "miniupnpc_${lib.replaceStrings [ "." ] [ "_" ] version}";
+    tag = "miniupnpc_${lib.replaceStrings [ "." ] [ "_" ] finalAttrs.version}";
     hash = "sha256-8EWchUppW4H2kEUCGBXIk1meARJj2usKKO5gFYPoW3s=";
   };
 
-  sourceRoot = "${src.name}/miniupnpc";
+  sourceRoot = "${finalAttrs.src.name}/miniupnpc";
 
   nativeBuildInputs = [ cmake ];
 
@@ -58,4 +58,4 @@ stdenv.mkDerivation rec {
     license = lib.licenses.bsd3;
     mainProgram = "upnpc";
   };
-}
+})