diff --git a/pkgs/development/libraries/lesstif/default.nix b/pkgs/development/libraries/lesstif/default.nix
index 23ccc6479b8a..a05c737cb2d8 100644
--- a/pkgs/development/libraries/lesstif/default.nix
+++ b/pkgs/development/libraries/lesstif/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, x11, libXp}:
+{stdenv, fetchurl, x11, libXp, libXau}:
 
 stdenv.mkDerivation {
   name = "lesstif-0.94.4";
@@ -7,5 +7,5 @@ stdenv.mkDerivation {
     md5 = "3096ca456c0bc299d895974d307c82d8";
   };
   buildInputs = [x11];
-  propagatedBuildInputs = [libXp];
+  propagatedBuildInputs = [libXp libXau];
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ccedcb034a97..29d972012230 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1627,7 +1627,7 @@ rec {
 
   lesstif = (import ../development/libraries/lesstif) {
     inherit fetchurl stdenv x11;
-    inherit (xlibs) libXp;
+    inherit (xlibs) libXp libXau;
   };
 
   t1lib = (import ../development/libraries/t1lib) {