diff --git a/pkgs/by-name/mp/mpir/package.nix b/pkgs/by-name/mp/mpir/package.nix
index d27c0a71aaf7..9f03e1a652c7 100644
--- a/pkgs/by-name/mp/mpir/package.nix
+++ b/pkgs/by-name/mp/mpir/package.nix
@@ -15,16 +15,6 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "mpir";
   version = "3.0.0";
 
-  depsBuildBuild = [ buildPackages.stdenv.cc ];
-
-  nativeBuildInputs = [
-    m4
-    which
-    yasm
-    texinfo
-    autoreconfHook
-  ];
-
   src = fetchFromGitHub {
     owner = "wbhart";
     repo = "mpir";
@@ -51,6 +41,16 @@ stdenv.mkDerivation (finalAttrs: {
     })
   ];
 
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+
+  nativeBuildInputs = [
+    m4
+    which
+    yasm
+    texinfo
+    autoreconfHook
+  ];
+
   configureFlags = [ "--enable-cxx" ] ++ lib.optionals stdenv.hostPlatform.isLinux [ "--enable-fat" ];
 
   meta = {