diff --git a/pkgs/by-name/mu/mumps/package.nix b/pkgs/by-name/mu/mumps/package.nix
index e031266cd857..0b078b97d281 100644
--- a/pkgs/by-name/mu/mumps/package.nix
+++ b/pkgs/by-name/mu/mumps/package.nix
@@ -47,9 +47,12 @@ stdenv.mkDerivation (finalAttrs: {
     mkdir $out
     cp -r include lib $out
 
+    # Install mumps_seq headers
+    install -Dm 444 -t $out/include/mumps_seq libseq/*.h
+
     # Add some compatibility with coin-or-mumps
     ln -s $out/include $out/include/mumps
-    cp libseq/mpi.h $out/include/mumps_mpi.h
+    ln -s $out/include/mumps_seq/mpi.h $out/include/mumps_mpi.h
   '';
 
   nativeBuildInputs = [ gfortran ];