diff --git a/crates/lang/src/parser.rs b/crates/lang/src/parser.rs
index 877934cb..a85d4879 100644
--- a/crates/lang/src/parser.rs
+++ b/crates/lang/src/parser.rs
@@ -47,7 +47,6 @@ pub fn module(
             false
         }
         Token::EmptyLine => {
-            println!("{:?}", span);
             extra.empty_lines.push(span.start);
 
             false
diff --git a/crates/lang/src/parser/lexer.rs b/crates/lang/src/parser/lexer.rs
index d845b741..83c7f5a2 100644
--- a/crates/lang/src/parser/lexer.rs
+++ b/crates/lang/src/parser/lexer.rs
@@ -117,10 +117,17 @@ pub fn lexer() -> impl Parser<char, Vec<(Token, Span)>, Error = ParseError> {
             .map_with_span(|token, span| (token, span)),
     );
 
+    let comments_with_trailing_newline = just("//").ignore_then(
+        take_until(text::newline())
+            .then_ignore(text::newline().rewind())
+            .to(Token::Comment)
+            .map_with_span(|token, span| (token, span)),
+    );
+
     choice((
         module_comments,
         doc_comments,
-        comments,
+        choice((comments_with_trailing_newline, comments)),
         choice((keyword, int, op, grouping, string))
             .or(any().map(Token::Error).validate(|t, span, emit| {
                 emit(ParseError::expected_input_found(