diff --git a/ablescript/src/interpret.rs b/ablescript/src/interpret.rs
index 21e023a..b22eedc 100644
--- a/ablescript/src/interpret.rs
+++ b/ablescript/src/interpret.rs
@@ -151,7 +151,7 @@ impl ExecEnv {
                     NotEqual => Value::Bool(lhs != rhs),
                 }
             }
-            Not(expr) => Bool(!self.eval_expr(expr)?.into_bool()),
+            Not(expr) => !self.eval_expr(expr)?,
             Literal(value) => value.clone(),
             ExprKind::Cart(members) => Value::Cart(
                 members
@@ -539,7 +539,7 @@ mod tests {
                 span: 1..1
             })
             .unwrap(),
-            Value::Int(42)
+            Value::Int(-2147483648)
         );
 
         // And the same for divide by zero.
@@ -547,7 +547,7 @@ mod tests {
             env.eval_expr(&Expr {
                 kind: ExprKind::BinOp {
                     lhs: Box::new(Expr {
-                        kind: ExprKind::Literal(Value::Int(1)),
+                        kind: ExprKind::Literal(Value::Int(84)),
                         span: 1..1,
                     }),
                     rhs: Box::new(Expr {
@@ -559,7 +559,7 @@ mod tests {
                 span: 1..1
             })
             .unwrap(),
-            Value::Int(42)
+            Value::Int(2)
         );
     }
 
diff --git a/ablescript/src/lexer.rs b/ablescript/src/lexer.rs
index c32d936..612d0e9 100644
--- a/ablescript/src/lexer.rs
+++ b/ablescript/src/lexer.rs
@@ -64,7 +64,7 @@ pub enum Token {
     #[token("!=")]
     NotEqual,
 
-    #[token("!|aint")] // also add aint as a not keyword
+    #[regex("!|aint")] // also add aint as a not keyword
     Not,
 
     // Keywords
diff --git a/ablescript/src/parser.rs b/ablescript/src/parser.rs
index e2873b0..49ade13 100644
--- a/ablescript/src/parser.rs
+++ b/ablescript/src/parser.rs
@@ -99,6 +99,7 @@ impl<'source> Parser<'source> {
             | Token::Abool(_)
             | Token::Bool(_)
             | Token::Nul
+            | Token::Not
             | Token::LeftBracket
             | Token::LeftParen => Ok(Stmt::new(
                 self.value_flow(token)?,
diff --git a/ablescript/src/variables.rs b/ablescript/src/variables.rs
index 25b9217..8b2c788 100644
--- a/ablescript/src/variables.rs
+++ b/ablescript/src/variables.rs
@@ -418,6 +418,14 @@ impl ops::Div for Value {
     }
 }
 
+impl ops::Not for Value {
+    type Output = Value;
+
+    fn not(self) -> Self::Output {
+        todo!()
+    }
+}
+
 impl PartialEq for Value {
     fn eq(&self, other: &Self) -> bool {
         let other = other.clone();