diff --git a/keyfork-mnemonic-util/src/lib.rs b/keyfork-mnemonic-util/src/lib.rs
index be413dc..3d535e2 100644
--- a/keyfork-mnemonic-util/src/lib.rs
+++ b/keyfork-mnemonic-util/src/lib.rs
@@ -149,7 +149,8 @@ impl FromStr for Mnemonic {
                 None => return Err(MnemonicFromStrError::InvalidWord(index)),
             }
         }
-        if ![12, 24].contains(&words.len()) {
+        // 3 words for every 32 bits
+        if words.len() % 3 != 0 {
             return Err(MnemonicFromStrError::InvalidWordCount(words.len()));
         }
         Ok(Mnemonic { words, wordlist })
diff --git a/keyfork-plumbing/src/bin/keyfork-mnemonic-from-seed.rs b/keyfork-plumbing/src/bin/keyfork-mnemonic-from-seed.rs
index f0b261e..a65a6a1 100644
--- a/keyfork-plumbing/src/bin/keyfork-mnemonic-from-seed.rs
+++ b/keyfork-plumbing/src/bin/keyfork-mnemonic-from-seed.rs
@@ -6,7 +6,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     input.read_line(&mut line)?;
     let decoded = smex::decode(line.trim())?;
 
-    let mnemonic = Mnemonic::from_entropy(&decoded, Default::default())?;
+    let mnemonic = unsafe { Mnemonic::from_raw_entropy(&decoded, Default::default()) };
 
     println!("{mnemonic}");