diff --git a/nix/configuration/hosts/odo/default.nix b/nix/configuration/hosts/odo/default.nix
index 87ba9cc..c3d262d 100644
--- a/nix/configuration/hosts/odo/default.nix
+++ b/nix/configuration/hosts/odo/default.nix
@@ -55,4 +55,5 @@
   me.terraform.enable = true;
   me.vnc_client.enable = true;
   me.vscode.enable = true;
+  me.wasm.enable = true;
 }
diff --git a/nix/configuration/roles/wasm/default.nix b/nix/configuration/roles/wasm/default.nix
index 67fe31b..f564ec8 100644
--- a/nix/configuration/roles/wasm/default.nix
+++ b/nix/configuration/roles/wasm/default.nix
@@ -8,9 +8,24 @@
 {
   imports = [ ];
 
-  environment.systemPackages = with pkgs; [
-    wabt
-    wasm-bindgen-cli
-    binaryen # for wasm-opt
-  ];
+  options.me = {
+    wasm.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install wasm.";
+    };
+  };
+
+  config = lib.mkIf config.me.wasm.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          wabt
+          wasm-bindgen-cli
+          binaryen # for wasm-opt
+        ];
+      }
+    ]
+  );
 }