diff --git a/crates/source_map_parser/src/context_lookup.rs b/crates/source_map_parser/src/context_lookup.rs
index f2009e2..10bb91b 100644
--- a/crates/source_map_parser/src/context_lookup.rs
+++ b/crates/source_map_parser/src/context_lookup.rs
@@ -51,7 +51,7 @@ pub fn lookup_context_from_sourcemap(
   }
   Some(ContextSnippet {
     src,
-    line: origin_line,
+    line: origin_line + 1,
     column: origin_col,
     context,
   })
diff --git a/crates/source_map_parser/src/token_generator.rs b/crates/source_map_parser/src/token_generator.rs
index 070ea91..80c0e75 100644
--- a/crates/source_map_parser/src/token_generator.rs
+++ b/crates/source_map_parser/src/token_generator.rs
@@ -28,7 +28,7 @@ pub fn generate_source_map_token_from_map(
   }
   if let Some(token) = source_map.lookup_token(line - 1, column) {
     Some(SourceMapToken {
-      line: token.get_src_line() as u32,
+      line: token.get_src_line() + 1,
       column: token.get_src_col() as u32,
       source_code: token.get_source_view().map(|v| v.source().to_string()),
       src: token.get_source().map(|s| s.to_string()),
@@ -210,7 +210,7 @@ pub fn generate_context_token_from_map(
     for ln in start..=end {
       let raw = lines.get(ln as usize).cloned().unwrap_or("").to_string();
       token.source_code.push(SourceCode {
-        line: ln,
+        line: ln + 1,
         is_stack_line: ln == origin_line,
         raw,
       });
@@ -234,7 +234,7 @@ mod tests {
   fn test_get_stack_source_single_line() {
     let sm = simple_sm("a.js", "fn()\\n");
     let tok = get_stack_source(&sm, 1, 0, None).expect("token");
-    assert_eq!(tok.line, 0); // original line
+    assert_eq!(tok.line, 1); // original line
     assert_eq!(tok.source_code.len(), 1);
   }