diff --git a/src/authentication/authentication_context.rs b/src/authentication/authentication_context.rs
index 5b130ef..bce348c 100644
--- a/src/authentication/authentication_context.rs
+++ b/src/authentication/authentication_context.rs
@@ -127,7 +127,7 @@ where
             }
             None => Err(
                 AuthenticationError::HttpParseError(http_authorization_line.to_string())
-                    .into_unknown_error(),
+                    .into_basic_error(),
             ),
         }
     }
diff --git a/src/authentication/authentication_service.rs b/src/authentication/authentication_service.rs
index 8f6cf3c..aee910f 100644
--- a/src/authentication/authentication_service.rs
+++ b/src/authentication/authentication_service.rs
@@ -126,7 +126,7 @@ where
             let auth = match parse_result {
                 Ok(p) => p,
                 Err(e) => {
-                    return unauthorized_response(request.request(), e.into_unknown_error(), realm)
+                    return unauthorized_response(request.request(), e.into_basic_error(), realm)
                 }
             };