diff --git a/src/user_preferences/mod.rs b/src/user_preferences/mod.rs
index e176ac2..08ef286 100644
--- a/src/user_preferences/mod.rs
+++ b/src/user_preferences/mod.rs
@@ -8,6 +8,7 @@ pub mod v0;
 mod error;
 pub use error::ParseError;
 
+use crate::user_preferences::v0::UserPreferencesV0;
 use crate::{InstanceSettings, Pronoun, WeightedTable};
 
 use data_encoding::BASE32_NOPAD;
@@ -85,10 +86,22 @@ impl Preference for UserPreferences {
 	}
 
 	fn from_prefstring_bytes(bytes: &[u8]) -> Result<Self, ParseError> where Self: Sized {
-		todo!()
+        let version_byte = bytes.get(0).ok_or(ParseError::ZeroLengthPrefstring)?;
+        let version = version_byte >> 3;
+        let varient = version_byte & 0b111;
+        match (version, varient) {
+            (0, 0) => UserPreferencesV0::from_prefstring_bytes(bytes).map(|prefs| UserPreferences::V0(prefs)),
+            _ => Err(ParseError::VersionMismatch {
+                expected_version: 0..1,
+                expected_variant: 0..1,
+                actual_version_byte: *version_byte,
+            })
+        }
 	}
 
 	fn into_prefstring_bytes(&self) -> Vec<u8> {
-		todo!()
+		match self {
+			UserPreferences::V0(pref) => pref,
+		}.into_prefstring_bytes()
 	}
 }