diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index f26e33ca2427..d68e1592d887 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -506,7 +506,7 @@ in
         --replace "gobject-2.0" "${glib.out}/lib/libgobject-2.0${stdenv.hostPlatform.extensions.sharedLibrary}"
 
       substituteInPlace lib/vips.rb \
-        --replace "vips_libname = 'vips'" "vips_libname = '${vips}/lib/libvips${stdenv.hostPlatform.extensions.sharedLibrary}'"
+        --replace "vips_libname = 'vips'" "vips_libname = '${stdenv.lib.getLib vips}/lib/libvips${stdenv.hostPlatform.extensions.sharedLibrary}'"
     '';
   };
 
diff --git a/pkgs/tools/graphics/vips/default.nix b/pkgs/tools/graphics/vips/default.nix
index 8812a632966d..8546c4e8182a 100644
--- a/pkgs/tools/graphics/vips/default.nix
+++ b/pkgs/tools/graphics/vips/default.nix
@@ -27,6 +27,8 @@ stdenv.mkDerivation rec {
   pname = "vips";
   version = "8.9.1";
 
+  outputs = [ "bin" "out" "man" "dev" ];
+
   src = fetchFromGitHub {
     owner = "libvips";
     repo = "libvips";