diff --git a/Session/Onboarding/LinkDeviceVC.swift b/Session/Onboarding/LinkDeviceVC.swift
index 4fa74b490..6a5a9d942 100644
--- a/Session/Onboarding/LinkDeviceVC.swift
+++ b/Session/Onboarding/LinkDeviceVC.swift
@@ -268,7 +268,7 @@ private final class RecoveryPhraseVC : UIViewController {
             alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), style: .default, handler: nil))
             presentAlert(alert)
         }
-        let mnemonic = mnemonicTextView.text!
+        let mnemonic = mnemonicTextView.text!.lowercased()
         do {
             let hexEncodedSeed = try Mnemonic.decode(mnemonic: mnemonic)
             let seed = Data(hex: hexEncodedSeed)
diff --git a/Session/Onboarding/RestoreVC.swift b/Session/Onboarding/RestoreVC.swift
index f4fddb35e..9e2543c75 100644
--- a/Session/Onboarding/RestoreVC.swift
+++ b/Session/Onboarding/RestoreVC.swift
@@ -160,7 +160,7 @@ final class RestoreVC : BaseVC {
             alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), style: .default, handler: nil))
             presentAlert(alert)
         }
-        let mnemonic = mnemonicTextView.text!
+        let mnemonic = mnemonicTextView.text!.lowercased()
         do {
             let hexEncodedSeed = try Mnemonic.decode(mnemonic: mnemonic)
             let seed = Data(hex: hexEncodedSeed)