diff --git a/nixos/modules/system/boot/zram-as-tmp.nix b/nixos/modules/system/boot/zram-as-tmp.nix
index 194e7c1659ff..b87bd373ed24 100644
--- a/nixos/modules/system/boot/zram-as-tmp.nix
+++ b/nixos/modules/system/boot/zram-as-tmp.nix
@@ -85,6 +85,10 @@ in
       }
     ];
 
+    boot.supportedFilesystems = {
+      ${cfg.zramSettings.fs-type} = true;
+    };
+
     services.zram-generator.enable = true;
     services.zram-generator.settings =
       let