diff --git a/pkgs/clan-cli/clan_cli/api/serde.py b/pkgs/clan-cli/clan_cli/api/serde.py
index a3ff265d5..a82df0dc8 100644
--- a/pkgs/clan-cli/clan_cli/api/serde.py
+++ b/pkgs/clan-cli/clan_cli/api/serde.py
@@ -127,6 +127,11 @@ def construct_value(t: type, field_value: JsonValue, loc: list[str] = []) -> Any
     """
     if t is None and field_value:
         raise ClanError(f"Expected None but got: {field_value}", location=f"{loc}")
+
+    if is_type_in_union(t, type(None)) and field_value is None:
+        # Sometimes the field value is None, which is valid if the type hint allows None
+        return None
+
     # If the field is another dataclass
     # Field_value must be a dictionary
     if is_dataclass(t) and isinstance(field_value, dict):
@@ -160,9 +165,9 @@ def construct_value(t: type, field_value: JsonValue, loc: list[str] = []) -> Any
     # Union types construct the first non-None type
     elif is_union_type(t):
         # Unwrap the union type
-        t = unwrap_none_type(t)
+        inner = unwrap_none_type(t)
         # Construct the field value
-        return construct_value(t, field_value)
+        return construct_value(inner, field_value)
 
     # Nested types
     # list
diff --git a/pkgs/clan-cli/tests/test_deserializers.py b/pkgs/clan-cli/tests/test_deserializers.py
index 23a36793a..905f6c2bc 100644
--- a/pkgs/clan-cli/tests/test_deserializers.py
+++ b/pkgs/clan-cli/tests/test_deserializers.py
@@ -244,6 +244,27 @@ def test_alias_field_from_orig_name() -> None:
         from_dict(Person, data)
 
 
+def test_none_or_string() -> None:
+    """
+    Field declares an alias. But the data is provided with the field name.
+    """
+
+    data = None
+
+    @dataclass
+    class Person:
+        name: Path
+
+    checked = from_dict(str | None, data)
+    assert checked is None
+
+    checked2 = from_dict(dict[str, str] | None, data)
+    assert checked2 is None
+
+    checked3 = from_dict(Person | None, data)
+    assert checked3 is None
+
+
 def test_path_field() -> None:
     @dataclass
     class Person:
diff --git a/pkgs/webview-ui/app/src/routes/machines/[name]/view.tsx b/pkgs/webview-ui/app/src/routes/machines/[name]/view.tsx
index 730b9b6fc..af026a204 100644
--- a/pkgs/webview-ui/app/src/routes/machines/[name]/view.tsx
+++ b/pkgs/webview-ui/app/src/routes/machines/[name]/view.tsx
@@ -64,6 +64,53 @@ const InstallMachine = (props: InstallMachineProps) => {
 
   const handleInstall = async (values: InstallForm) => {
     console.log("Installing", values);
+    const curr_uri = activeURI();
+    if (!curr_uri) {
+      return;
+    }
+    if (!props.name || !props.targetHost) {
+      return;
+    }
+
+    const r = await callApi("install_machine", {
+      opts: {
+        flake: {
+          loc: curr_uri,
+        },
+        machine: props.name,
+        target_host: props.targetHost,
+      },
+      password: "",
+    });
+
+    if (r.status === "error") {
+      toast.error("Failed to install machine");
+    }
+    if (r.status === "success") {
+      toast.success("Machine installed successfully");
+    }
+  };
+
+  const handleDiskConfirm = async () => {
+    const curr_uri = activeURI();
+    const disk = getValue(formStore, "disk");
+    const disk_id = props.disks.find((d) => d.name === disk)?.id_link;
+    if (!curr_uri || !disk_id || !props.name) {
+      return;
+    }
+
+    const r = await callApi("set_single_disk_uuid", {
+      base_path: curr_uri,
+      machine_name: props.name,
+      disk_uuid: disk_id,
+    });
+    if (r.status === "error") {
+      toast.error("Failed to set disk");
+    }
+    if (r.status === "success") {
+      toast.success("Disk set successfully");
+      setConfirmDisk(true);
+    }
   };
   return (
     <>
@@ -111,7 +158,7 @@ const InstallMachine = (props: InstallMachineProps) => {
             fallback={
               <button
                 class="btn btn-primary btn-wide"
-                onClick={() => setConfirmDisk(true)}
+                onClick={() => handleDiskConfirm()}
                 disabled={!hasDisk()}
               >
                 <span class="material-icons">check</span>