diff --git a/pkgs/development/compilers/gnu-smalltalk/default.nix b/pkgs/development/compilers/gnu-smalltalk/default.nix
index 39d1652fc70..41c325c2b1a 100644
--- a/pkgs/development/compilers/gnu-smalltalk/default.nix
+++ b/pkgs/development/compilers/gnu-smalltalk/default.nix
@@ -1,5 +1,7 @@
-{ stdenv, fetchurl, pkgconfig, libtool, zip, libffi, libsigsegv, readline, gmp,
-gnutls, gnome2, cairo, SDL, sqlite, emacsSupport ? false, emacs ? null }:
+{ config, stdenv, fetchurl, pkgconfig, libtool
+, zip, libffi, libsigsegv, readline, gmp
+, gnutls, gnome2, cairo, SDL, sqlite
+, emacsSupport ? config.emacsSupport or false, emacs ? null }:
 
 assert emacsSupport -> (emacs != null);
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f2456057b6b..57b3dcc7f6e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6905,9 +6905,7 @@ in
     inherit (gnome2) libart_lgpl;
   });
 
-  gnu-smalltalk = callPackage ../development/compilers/gnu-smalltalk {
-    emacsSupport = config.emacsSupport or false;
-  };
+  gnu-smalltalk = callPackage ../development/compilers/gnu-smalltalk { };
 
   gccgo = gccgo6;
   gccgo6 = wrapCC (gcc6.cc.override {