diff --git a/nixos/modules/tasks/filesystems/ext.nix b/nixos/modules/tasks/filesystems/ext.nix
index 9b61f21643ab..edc0efc55213 100644
--- a/nixos/modules/tasks/filesystems/ext.nix
+++ b/nixos/modules/tasks/filesystems/ext.nix
@@ -3,13 +3,14 @@
 let
 
   inInitrd = lib.any (fs: fs == "ext2" || fs == "ext3" || fs == "ext4") config.boot.initrd.supportedFilesystems;
+  inSystem = lib.any (fs: fs == "ext2" || fs == "ext3" || fs == "ext4") config.boot.supportedFilesystems;
 
 in
 
 {
   config = {
 
-    system.fsPackages = lib.mkIf (config.boot.initrd.systemd.enable -> inInitrd) [ pkgs.e2fsprogs ];
+    system.fsPackages = lib.mkIf (config.boot.initrd.systemd.enable -> (inInitrd || inSystem)) [ pkgs.e2fsprogs ];
 
     # As of kernel 4.3, there is no separate ext3 driver (they're also handled by ext4.ko)
     boot.initrd.availableKernelModules = lib.mkIf (config.boot.initrd.systemd.enable -> inInitrd) [ "ext2" "ext4" ];