diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 13098fa41093..0daa429650c9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2582,7 +2582,8 @@ rec {
   };
 
   pam_console = import ../os-specific/linux/pam_console {
-    inherit stdenv fetchurl pam autoconf automake libtool pkgconfig bison flex;
+    inherit stdenv fetchurl pam autoconf automake libtool pkgconfig bison;
+    flex = if stdenv.system == "i686-linux" then flex else flex2533;
     inherit (gtkLibs) glib;
   };