diff --git a/pkgs/development/ocaml-modules/extlib/default.nix b/pkgs/development/ocaml-modules/extlib/default.nix
index 2a437cd29d34..5c7d36fcc08d 100644
--- a/pkgs/development/ocaml-modules/extlib/default.nix
+++ b/pkgs/development/ocaml-modules/extlib/default.nix
@@ -1,35 +1,29 @@
-{ stdenv, lib, fetchurl, fetchpatch, ocaml, findlib, cppo, minimal ? true }:
+{ stdenv, lib, fetchurl, ocaml, findlib, cppo
+# De facto, option minimal seems to be the default. See the README.
+, minimal ? true
+}:
 
-assert lib.versionAtLeast (lib.getVersion ocaml) "3.11";
-
-stdenv.mkDerivation {
-  name = "ocaml${ocaml.version}-extlib-1.7.7";
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-extlib";
+  version = "1.7.8";
 
   src = fetchurl {
-    url = "http://ygrek.org.ua/p/release/ocaml-extlib/extlib-1.7.7.tar.gz";
-    sha256 = "1sxmzc1mx3kg62j8kbk0dxkx8mkf1rn70h542cjzrziflznap0s1";
+    url = "https://ygrek.org/p/release/ocaml-extlib/extlib-${version}.tar.gz";
+    sha256 = "0npq4hq3zym8nmlyji7l5cqk6drx2rkcx73d60rxqh5g8dla8p4k";
   };
 
-  patches = [
-    (fetchpatch {
-      url = "https://github.com/ygrek/ocaml-extlib/pull/55.patch";
-      sha256 = "0mj3xii56rh8j8brdyv5d06rbs6jjjcy4ib9chafkq3f3sbq795p";
-    })
-  ];
-
   buildInputs = [ ocaml findlib cppo ];
 
   createFindlibDestdir = true;
+  dontConfigure = true;
 
-  dontConfigure = true;      # Skip configure
-  # De facto, option minimal=1 seems to be the default.  See the README.
-  buildPhase     = "make ${if minimal then "minimal=1" else ""} build";
-  installPhase   = "make ${if minimal then "minimal=1" else ""} install";
+  makeFlags = lib.optional minimal "minimal=1";
 
   meta = {
     homepage = "https://github.com/ygrek/ocaml-extlib";
     description = "Enhancements to the OCaml Standard Library modules";
-    license = lib.licenses.lgpl21;
+    license = lib.licenses.lgpl21Only;
     platforms = ocaml.meta.platforms or [];
+    maintainers = [ lib.maintainers.sternenseemann ];
   };
 }
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 9606cd487208..30f6dca5f16b 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1408,7 +1408,10 @@ let
 
     omake_rc1 = callPackage ../development/tools/ocaml/omake/0.9.8.6-rc1.nix { };
 
-    google-drive-ocamlfuse = callPackage ../applications/networking/google-drive-ocamlfuse { };
+    google-drive-ocamlfuse = callPackage ../applications/networking/google-drive-ocamlfuse {
+      # needs Base64 module
+      ocaml_extlib = ocaml_extlib.override { minimal = false; };
+    };
 
     hol_light = callPackage ../applications/science/logic/hol_light { };