diff --git a/index.js b/index.js
index bbf7fa8..be562fd 100644
--- a/index.js
+++ b/index.js
@@ -28,8 +28,8 @@ module.exports = function (txt, opt) {
 
     map.addMapping({
       generated: {
-        line: offset,
-        column: 0
+        line: 1,
+        column: offset
       },
       source: file,
       original: {
diff --git a/package.json b/package.json
index 2df3e9d..5cd54e8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "txt2map4wasm",
-  "version": "1.0.3",
+  "version": "1.1.0",
   "description": "Translates wasm text source map to JSON map",
   "main": "index.js",
   "scripts": {