diff --git a/pkgs/applications/networking/irc/xchat/default.nix b/pkgs/applications/networking/irc/xchat/default.nix
index 4ae4a6d33b7e..5a867322854e 100644
--- a/pkgs/applications/networking/irc/xchat/default.nix
+++ b/pkgs/applications/networking/irc/xchat/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, glib, pkgconfig, tcl}:
+{stdenv, fetchurl, glib, pkgconfig, tcl, gtk}:
 
 stdenv.mkDerivation {
   name = "xchat-2.6.0";
@@ -6,6 +6,6 @@ stdenv.mkDerivation {
     url = http://www.xchat.org/files/source/2.6/xchat-2.6.0.tar.bz2;
     md5 = "0c827bf6df0572231cbbb1e25965fb61";
   };
-  buildInputs = [glib pkgconfig tcl];
+  buildInputs = [glib pkgconfig tcl gtk];
   configureFlags = "--disable-nls";
 }
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index 2ebea84fe45e..b443d1139492 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -1627,7 +1627,7 @@ rec {
 
   xchat = (import ../applications/networking/irc/xchat) {
     inherit fetchurl stdenv pkgconfig tcl;
-    inherit (gtkLibs) glib;
+    inherit (gtkLibs) glib gtk;
   };
 
   cdparanoiaIII = (import ../applications/audio/cdparanoia) {