diff --git a/src/wallet/mnemonic.rs b/src/wallet/mnemonic.rs
index e678cf5..914e849 100644
--- a/src/wallet/mnemonic.rs
+++ b/src/wallet/mnemonic.rs
@@ -195,6 +195,7 @@ impl Mnemonic {
             // Setup phrase size.
             let confirm = self.mode == PhraseMode::Generate;
             if !confirm {
+                self.words = Self::empty_words(&size);
                 self.size = size;
             } else if self.size != size {
                 return;