diff --git a/pkgs/applications/networking/irc/irssi/default.nix b/pkgs/applications/networking/irc/irssi/default.nix
index 7e3b27c..963108a 100644
--- a/pkgs/applications/networking/irc/irssi/default.nix
+++ b/pkgs/applications/networking/irc/irssi/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, ncurses, glib, openssl}:
+{stdenv, fetchurl, pkgconfig, ncurses, glib, openssl, perl}:
 
 stdenv.mkDerivation rec {
   name = "irssi-0.8.15";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "19m0aah9bhc70dnhh7kpydbsz5n35l0l9knxav1df0sic3xicbf1";
   };
   
-  buildInputs = [pkgconfig ncurses glib openssl];
+  buildInputs = [pkgconfig ncurses glib openssl perl];
   
   NIX_LDFLAGS = "-lncurses";
   
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3cd896f..5d9a61b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7955,7 +7955,7 @@ let
   };
 
   irssi = import ../applications/networking/irc/irssi {
-    inherit stdenv fetchurl pkgconfig ncurses openssl glib;
+    inherit stdenv fetchurl pkgconfig ncurses openssl glib perl;
   };
 
   jackmeter = import ../applications/audio/jackmeter {