diff --git a/pkgs/development/libraries/libwebp/default.nix b/pkgs/development/libraries/libwebp/default.nix
index aeac9239c8bf..6800541d923f 100644
--- a/pkgs/development/libraries/libwebp/default.nix
+++ b/pkgs/development/libraries/libwebp/default.nix
@@ -10,6 +10,12 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libpng libjpeg giflib libtiff ];
 
+  configureFlags = [
+    "--enable-libwebpmux"
+    "--enable-libwebpdemux"
+    "--enable-libwebpdecoder"
+  ];
+
   meta = {
     homepage = http://code.google.com/p/webp/;
     description = "Tools and library for the WebP image format";