diff --git a/src/app/browser/window/tab/item/page/client/driver.rs b/src/app/browser/window/tab/item/page/client/driver.rs
index 471e26ef..2e2fb695 100644
--- a/src/app/browser/window/tab/item/page/client/driver.rs
+++ b/src/app/browser/window/tab/item/page/client/driver.rs
@@ -127,7 +127,7 @@ impl Driver {
                     },
                 ),
                 Protocol::Titan { .. } => todo!(),
-                Protocol::Unsupported => todo!(),
+                Protocol::Undefined => todo!(),
             },
             Feature::Source(ref protocol) => match protocol {
                 Protocol::Gemini {
diff --git a/src/app/browser/window/tab/item/page/client/request/feature/protocol.rs b/src/app/browser/window/tab/item/page/client/request/feature/protocol.rs
index 965cf761..a8128a50 100644
--- a/src/app/browser/window/tab/item/page/client/request/feature/protocol.rs
+++ b/src/app/browser/window/tab/item/page/client/request/feature/protocol.rs
@@ -16,7 +16,7 @@ pub enum Protocol {
         cancellable: Cancellable,
         priority: Priority,
     },
-    Unsupported,
+    Undefined,
 }
 
 impl Protocol {
@@ -36,7 +36,7 @@ impl Protocol {
                     cancellable,
                     priority,
                 },
-                _ => Self::Unsupported,
+                _ => Self::Undefined,
             },
             // Search request if the request could not be parsed as the valid [URI](https://docs.gtk.org/glib/struct.Uri.html)
             // * @TODO implement DNS lookup before apply this option
@@ -71,7 +71,7 @@ impl Protocol {
                 cancellable: _,
                 priority: _,
             } => Some(&uri),
-            Self::Unsupported => None,
+            Self::Undefined => None,
         }
     }
 }