diff --git a/pkgs/development/libraries/igraph/default.nix b/pkgs/development/libraries/igraph/default.nix
index c0e20ba7f59..69f25fd79c8 100644
--- a/pkgs/development/libraries/igraph/default.nix
+++ b/pkgs/development/libraries/igraph/default.nix
@@ -24,19 +24,19 @@ assert (blas.isILP64 == lapack.isILP64 &&
         blas.isILP64 == arpack.isILP64 &&
         !blas.isILP64);
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "igraph";
   version = "0.10.6";
 
   src = fetchFromGitHub {
     owner = "igraph";
-    repo = pname;
-    rev = version;
+    repo = finalAttrs.pname;
+    rev = finalAttrs.version;
     hash = "sha256-HNc+xU7Gcv9BSpb2OgyG9tCbk/dfWw5Ix1c2gvFZklE=";
   };
 
   postPatch = ''
-    echo "${version}" > IGRAPH_VERSION
+    echo "${finalAttrs.version}" > IGRAPH_VERSION
   '';
 
   outputs = [ "out" "dev" "doc" ];
@@ -95,9 +95,9 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "C library for complex network analysis and graph theory";
     homepage = "https://igraph.org/";
-    changelog = "https://github.com/igraph/igraph/blob/${src.rev}/CHANGELOG.md";
+    changelog = "https://github.com/igraph/igraph/blob/${finalAttrs.src.rev}/CHANGELOG.md";
     license = licenses.gpl2Plus;
     platforms = platforms.all;
     maintainers = with maintainers; [ MostAwesomeDude dotlambda ];
   };
-}
+})