What do you do when Spanish speakers switch to English?

Keep answering in Spanish, politely. A friendly Prefiero practicar mi español, si no te importa (I'd rather practice my Spanish, if you don't mind) works in most cases. People switch to English to be kind, not to be rude, so the trick is to show that you'd like the Spanish more than the shortcut.

Why they switch

Understanding the reason makes it less annoying. People usually switch because:

• They're being polite and want to save you effort.
• They want to practice their own English.
• Your Spanish sounded hesitant, so they assumed you'd prefer English.
• They work in tourism or a big city, where English is the usual language with foreigners.
• They think it'll be faster and clearer for both of you.

It's almost never a judgment on you. It's often the opposite: they're trying to help.

Things to say

Having a few lines ready makes this easy:

• Prefiero seguir en español, ¿vale? (I'd rather continue in Spanish, okay?) - "vale" is common in Spain, while in Latin America you'd say ¿está bien? or ¿te parece?
• Estoy aprendiendo, así que necesito practicar. (I'm learning, so I need to practice.)
• ¿Podemos hablar en español? Voy despacio, pero lo intento. (Can we speak Spanish? I'm slow but I'm trying.)
• Hablas muy bien inglés, pero quiero practicar español. (Your English is very good, but I want to practice Spanish.)

A smile and a quick reason ("I'm learning") usually works. Say it in Spanish, which also proves you can.

Make Spanish the easy option

The smartest approach is to change the situation rather than argue about it:

1. Start in Spanish from the first word. If you open in English, you've set the language.
2. Keep going even if they answer in English. Many people drift back after a sentence or two.
3. Choose places and people carefully. Small towns, local shops and neighborhoods with few tourists are easier than tourist areas.
4. Meet people who share your goal, such as a language exchange partner or tutor, who won't switch. Listening ahead of time helps too: Langtok, the app I built, has short stories with tap-to-translate subtitles, so everyday phrases are familiar before you need them.
5. Be clear about the deal. In an exchange, set fixed time blocks for each language.

When switching is fine

Sometimes English is the right call, and I wouldn't fight it. If you're at a doctor, sorting out a legal problem or handling something urgent, use whichever language lets you understand clearly. Learning Spanish isn't worth a medical mix-up.

Same if you're clearly wasting the other person's time in a busy shop. A short transaction is not the place for a slow practice session.

Don't take it personally

It can feel discouraging, like your Spanish isn't good enough. It probably is good enough, and the person just made a quick guess. A fear of speaking can grow if every attempt ends in English, so remind yourself that you won the conversation by trying.

One last tip

If someone keeps answering in English, you can reply in Spanish anyway. You'll often find they gradually come along. When you keep calm and keep going, most people take the hint.