Mullvad Keeps Disconnecting

How to fix it

Try these in order — the most common fix is first.

1. 1. Use UDP-over-TCP on port 443

   Copy steps
   1. Click the gear icon > VPN settings > Anti-censorship
   2. Select UDP-over-TCP
   3. Reconnect
   Did this fix it? Yes No

2. 2. Switch server

   Copy steps
   1. Open Switch location
   2. Pick a different server or city and see if the drops stop
   Did this fix it? Yes No

3. 3. Disable Wi-Fi power saving

   Copy steps
   1. On laptops, turn off power-saving for the Wi-Fi adapter or test on Ethernet
   2. Check whether drops stop when plugged in
   Did this fix it? Yes No

4. 4. Lower the MTU

   Copy steps
   1. Settings > VPN settings > MTU
   2. Set it to 1280 and reconnect
   Did this fix it? Yes No

Symptoms

The connection drops and reconnects every few minutes, the app briefly shows 'Blocking internet', or games and calls cut out.

Why it happens

• ISP or network interferes with UDP traffic
• Wi-Fi card power-saving features on laptops (reported on macOS)
• A congested or unstable server
• Router firewall dropping WireGuard packets

This guide also covers

• mullvad keeps disconnecting
• mullvad disconnects randomly
• mullvad connection drops
• mullvad reconnecting

The same problem in other apps

All not loading, error messages & connection guides →

• Proton VPN Not Connecting (Proton VPN)
• NordVPN Not Connecting (NordVPN)
• ExpressVPN Unable to Connect / Stuck on Connecting (ExpressVPN)
• Surfshark Not Connecting (Surfshark)

Other Mullvad VPN errors

• Mullvad VPN Not Connecting or Stuck on Connecting
• No Internet After Disconnecting or Quitting Mullvad
• Why Is Mullvad So Slow?
• Mullvad Not Working With Netflix
• Mullvad Google CAPTCHAs and Blocked Websites
• Mullvad Too Many Devices Error
• Lost Mullvad Account Number
• Mullvad Blocking Local Network (Printer, NAS, Chromecast)