diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index cda51cac1213..bebf5ede6bec 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -1028,6 +1028,9 @@ in
       cd "$(cat $out/nix-support/gem-meta/install-path)"
 
       substituteInPlace lib/vips.rb \
+        --replace 'FFI.library_name("vips", 42)' '"${lib.getLib vips}/lib/libvips${stdenv.hostPlatform.extensions.sharedLibrary}"' \
+        --replace 'FFI.library_name("glib-2.0", 0)' '"${glib.out}/lib/libglib-2.0${stdenv.hostPlatform.extensions.sharedLibrary}"' \
+        --replace 'FFI.library_name("gobject-2.0", 0)' '"${glib.out}/lib/libgobject-2.0${stdenv.hostPlatform.extensions.sharedLibrary}"' \
         --replace 'library_name("vips", 42)' '"${lib.getLib vips}/lib/libvips${stdenv.hostPlatform.extensions.sharedLibrary}"' \
         --replace 'library_name("glib-2.0", 0)' '"${glib.out}/lib/libglib-2.0${stdenv.hostPlatform.extensions.sharedLibrary}"' \
         --replace 'library_name("gobject-2.0", 0)' '"${glib.out}/lib/libgobject-2.0${stdenv.hostPlatform.extensions.sharedLibrary}"'