diff --git a/modules/module-list.nix b/modules/module-list.nix
index f5296ccf9423..e2c9516ac463 100644
--- a/modules/module-list.nix
+++ b/modules/module-list.nix
@@ -23,7 +23,6 @@
   ./hardware/network/rt73.nix
   ./hardware/network/rtl8192c.nix
   ./hardware/pcmcia.nix
-  ./installer/init-script/init-script.nix
   ./installer/tools/nixos-checkout.nix
   ./installer/tools/tools.nix
   ./misc/assertions.nix
@@ -199,6 +198,7 @@
   ./system/boot/loader/generations-dir/generations-dir.nix
   ./system/boot/loader/grub/grub.nix
   ./system/boot/loader/grub/memtest.nix
+  ./system/boot/loader/init-script/init-script.nix
   ./system/boot/luksroot.nix
   ./system/boot/modprobe.nix
   ./system/boot/stage-1.nix
diff --git a/modules/system/activation/switch-to-configuration.sh b/modules/system/activation/switch-to-configuration.sh
index fea0b05ef34f..285b095aa3ed 100644
--- a/modules/system/activation/switch-to-configuration.sh
+++ b/modules/system/activation/switch-to-configuration.sh
@@ -23,12 +23,7 @@ fi
 
 # Install or update the bootloader.
 if [ "$action" = "switch" -o "$action" = "boot" ]; then
-    
     @installBootLoader@ @out@
-
-    if [ -n "@initScriptBuilder@" ]; then
-        @initScriptBuilder@ @out@
-    fi
 fi
 
 # Activate the new configuration.
diff --git a/modules/system/activation/top-level.nix b/modules/system/activation/top-level.nix
index 0e1a9a3d2adc..1eea759d8c99 100644
--- a/modules/system/activation/top-level.nix
+++ b/modules/system/activation/top-level.nix
@@ -152,7 +152,6 @@ let
     installBootLoader =
       config.system.build.installBootLoader
       or "echo 'Warning: don't know how to make this configuration bootable; please enable a boot loader.' 1>&2; true";
-    initScriptBuilder = config.system.build.initScriptBuilder;
     activationScript = config.system.activationScripts.script;
     nixosVersion = config.system.nixosVersion;
 
diff --git a/modules/installer/init-script/init-script-builder.sh b/modules/system/boot/loader/init-script/init-script-builder.sh
similarity index 97%
rename from modules/installer/init-script/init-script-builder.sh
rename to modules/system/boot/loader/init-script/init-script-builder.sh
index f091dc8b6c89..502b3b63af2f 100644
--- a/modules/installer/init-script/init-script-builder.sh
+++ b/modules/system/boot/loader/init-script/init-script-builder.sh
@@ -6,7 +6,7 @@ export PATH=/empty
 for i in @path@; do PATH=$PATH:$i/bin; done
 
 if test $# -ne 1; then
-    echo "Usage: grub-menu-builder.sh DEFAULT-CONFIG"
+    echo "Usage: init-script-builder.sh DEFAULT-CONFIG"
     exit 1
 fi
 
diff --git a/modules/installer/init-script/init-script.nix b/modules/system/boot/loader/init-script/init-script.nix
similarity index 87%
rename from modules/installer/init-script/init-script.nix
rename to modules/system/boot/loader/init-script/init-script.nix
index edf7d23d2a78..ef5e97eb2c9f 100644
--- a/modules/installer/init-script/init-script.nix
+++ b/modules/system/boot/loader/init-script/init-script.nix
@@ -41,10 +41,9 @@ in
 
   ###### implementation
 
-  config = {
+  config = mkIf config.boot.loader.initScript.enable {
 
-    system.build.initScriptBuilder =
-       if config.boot.loader.initScript.enable then initScriptBuilder else "";
+    system.build.installBootLoader = initScriptBuilder;
 
   };