diff --git a/Cargo.lock b/Cargo.lock
index 298844a..da1ed9d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,5 +3,5 @@
 version = 4
 
 [[package]]
-name = "mot"
+name = "zern"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index f6f35f1..dc7f217 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "mot"
+name = "zern"
 version = "0.1.0"
 edition = "2024"
 
diff --git a/README.md b/README.md
index c559a55..2f9101e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# mot
+# zern
 
 A very cool language
 
diff --git a/examples/fib.mot b/examples/fib.zr
similarity index 100%
rename from examples/fib.mot
rename to examples/fib.zr
diff --git a/src/codegen_x86_64.rs b/src/codegen_x86_64.rs
index 0325aaa..7a4e719 100644
--- a/src/codegen_x86_64.rs
+++ b/src/codegen_x86_64.rs
@@ -3,7 +3,7 @@ use std::{error::Error, fmt::Write};
 use crate::{
     codegen::{Codegen, Env},
     parser::{Expr, Stmt},
-    tokenizer::{MotError, TokenType, error},
+    tokenizer::{TokenType, ZernError, error},
 };
 
 pub struct CodegenX86_64 {
diff --git a/src/parser.rs b/src/parser.rs
index 00e9d88..1d1e879 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -1,6 +1,6 @@
 use std::error::Error;
 
-use crate::tokenizer::{MotError, Token, TokenType, error};
+use crate::tokenizer::{Token, TokenType, ZernError, error};
 
 #[derive(Debug, Clone)]
 pub struct Param {
diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 0cc718c..1d635bf 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -44,22 +44,22 @@ pub enum TokenType {
 }
 
 #[derive(Debug)]
-pub struct MotError {
+pub struct ZernError {
     pub loc: Loc,
     pub message: String,
 }
 
-impl fmt::Display for MotError {
+impl fmt::Display for ZernError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "{} \x1b[91mERROR\x1b[0m: {}", self.loc, self.message)
     }
 }
 
-impl std::error::Error for MotError {}
+impl std::error::Error for ZernError {}
 
 macro_rules! error {
     ($loc:expr, $msg:expr) => {
-        Err(Box::new(MotError {
+        Err(Box::new(ZernError {
             loc: $loc.clone(),
             message: $msg.into(),
         }))