diff --git a/pkgs/tools/networking/mosh/default.nix b/pkgs/tools/networking/mosh/default.nix
index e66209c7ce9..fb94b750e1d 100644
--- a/pkgs/tools/networking/mosh/default.nix
+++ b/pkgs/tools/networking/mosh/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, zlib, protobuf, ncurses, pkgconfig, IOTty
-, makeWrapper, perl, openssl, autoreconfHook, openssh }:
+, makeWrapper, perl, openssl, autoreconfHook, openssh, bash-completion }:
 
 stdenv.mkDerivation rec {
   name = "mosh-1.3.2";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
-  buildInputs = [ protobuf ncurses zlib IOTty makeWrapper perl openssl ];
+  buildInputs = [ protobuf ncurses zlib IOTty makeWrapper perl openssl bash-completion ];
 
   patches = [ ./ssh_path.patch ];
   postPatch = ''
@@ -18,6 +18,8 @@ stdenv.mkDerivation rec {
         --subst-var-by ssh "${openssh}/bin/ssh"
   '';
 
+  configureFlags = [ "--enable-completion" ];
+
   postInstall = ''
       wrapProgram $out/bin/mosh --prefix PERL5LIB : $PERL5LIB
   '';