diff --git a/pkgs/applications/misc/fsv/default.nix b/pkgs/applications/misc/fsv/default.nix
index 00e11858fb41..bbc78efe5cd2 100644
--- a/pkgs/applications/misc/fsv/default.nix
+++ b/pkgs/applications/misc/fsv/default.nix
@@ -26,6 +26,11 @@ in stdenv.mkDerivation rec {
     sha256 = "0n09jd7yqj18mx6zqbg7kab4idg5llr15g6avafj74fpg1h7iimj";
   };
 
+  postPatch = ''
+   # fix build with gettext 0.20
+   sed -i 's/AM_GNU_GETTEXT/AM_GNU_GETTEXT([external])/' configure.in
+  '';
+
   nativeBuildInputs = [ autoreconfHook libtool pkgconfig ];
   buildInputs       = [ file gtk2 libGLU gtkglarea ];