diff --git a/src/LoginPage.jsx b/src/LoginPage.jsx
index 8e73503..8d31f98 100644
--- a/src/LoginPage.jsx
+++ b/src/LoginPage.jsx
@@ -60,6 +60,8 @@ export function LoginPage({ onLogin, error }) {
                   ref={loginUsernameRef}
                   placeholder="Username"
                   label="Username"
+                  autocorrect="off"
+                  autocapitalize="none"
                 />
               </FieldRow>
               <FieldRow>
diff --git a/src/RegisterPage.jsx b/src/RegisterPage.jsx
index e57e700..26c3a3b 100644
--- a/src/RegisterPage.jsx
+++ b/src/RegisterPage.jsx
@@ -60,6 +60,8 @@ export function RegisterPage({ onRegister, error }) {
                   ref={registerUsernameRef}
                   placeholder="Username"
                   label="Username"
+                  autocorrect="off"
+                  autocapitalize="none"
                 />
               </FieldRow>
               <FieldRow>