diff --git a/screens/auth/register/RegisterForm.tsx b/screens/auth/register/RegisterForm.tsx
index 46fbb21..b2699bb 100644
--- a/screens/auth/register/RegisterForm.tsx
+++ b/screens/auth/register/RegisterForm.tsx
@@ -595,6 +595,7 @@ export default function RegisterFormScreen() {
                         placeholderTextColor="#94a3b8"
                         style={styles.textInput}
                         onChangeText={setReferal}
+                        maxLength={9}
                         testID="referal-input"
                       />
                     </View>