diff --git a/crates/fuse-parser/src/parsers/expressions.rs b/crates/fuse-parser/src/parsers/expressions.rs
index 7f72855..0ec5fe0 100644
--- a/crates/fuse-parser/src/parsers/expressions.rs
+++ b/crates/fuse-parser/src/parsers/expressions.rs
@@ -38,6 +38,11 @@ impl<'a> Parser<'a> {
                 .map(|id| self.ast.identifier_expression(id)),
             TokenKind::Function | TokenKind::Fn => self.parse_function_expression(),
             TokenKind::If => self.parse_if_expression(),
+
+            TokenKind::Not | TokenKind::Plus | TokenKind::Minus => {
+                self.parse_unary_operator_expression()
+            }
+
             _ => Err(Self::unexpected_error(self.cur_token())),
         }
     }
diff --git a/crates/fuse-parser/src/parsers/statements.rs b/crates/fuse-parser/src/parsers/statements.rs
index bcf9930..9fc9259 100644
--- a/crates/fuse-parser/src/parsers/statements.rs
+++ b/crates/fuse-parser/src/parsers/statements.rs
@@ -62,6 +62,7 @@ impl<'a> Parser<'a> {
                 .parse_expression()
                 .map(|expr| self.ast.expression_statement(expr)),
 
+            // Short circuit the unary operators to prevent extra checks.
             TokenKind::Not | TokenKind::Plus | TokenKind::Minus => self
                 .parse_unary_operator_expression()
                 .map(|expr| self.ast.expression_statement(expr)),