diff --git a/pkgs/applications/display-managers/slim/default.nix b/pkgs/applications/display-managers/slim/default.nix
index 0cd866a2c95e..b00fb6d2dc7b 100644
--- a/pkgs/applications/display-managers/slim/default.nix
+++ b/pkgs/applications/display-managers/slim/default.nix
@@ -22,6 +22,8 @@ stdenv.mkDerivation rec {
     # Don't set PAM_RHOST to "localhost", it confuses ConsoleKit
     # (which assumes that a non-empty string means a remote session).
     ./pam2.patch
+    
+    ./slim-1.3.1-gcc4.4.patch
   ];
 
   buildInputs = [x11 libjpeg libpng libXmu freetype pam];
diff --git a/pkgs/applications/display-managers/slim/slim-1.3.1-gcc4.4.patch b/pkgs/applications/display-managers/slim/slim-1.3.1-gcc4.4.patch
new file mode 100644
index 000000000000..71b028ec080b
--- /dev/null
+++ b/pkgs/applications/display-managers/slim/slim-1.3.1-gcc4.4.patch
@@ -0,0 +1,17 @@
+Patch to allow compilation with gcc-4.4
+
+Notified by Daniel J. - from Debian bug tracker
+
+http://bugs.gentoo.org/252745
+
+--- a/switchuser.h	2008-11-11 19:40:18.000000000 +0000
++++ a/switchuser.h	2008-11-11 19:40:28.000000000 +0000
+@@ -18,6 +18,7 @@
+ #include <pwd.h>
+ #include <grp.h>
+ #include <paths.h>
++#include <cstdio>
+ #include <iostream>
+ #include "const.h"
+ #include "cfg.h"
+