diff --git a/package-lock.json b/package-lock.json
index 96509de..011e342 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
-  "name": "front-end-template",
-  "version": "0.6.0",
+  "name": "ods-xlsx",
+  "version": "0.7.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "name": "front-end-template",
-      "version": "0.6.0",
+      "name": "ods-xlsx",
+      "version": "0.7.0",
       "dependencies": {
         "@xmldom/xmldom": "^0.8.10",
         "unzipit": "^1.4.3"
diff --git a/package.json b/package.json
index f0c42da..995d911 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ods-xlsx",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "type": "module",
   "main": "./scripts/node.js",
   "browser": "./scripts/browser.js",
diff --git a/readme.md b/readme.md
index e394573..c99243e 100644
--- a/readme.md
+++ b/readme.md
@@ -8,7 +8,7 @@ Small lib to parse/understand .ods and .xsls files in the browser and node.js
 ### Install
 
 ```sh
-npm i https://github.com/DavidBruant/ods-xlsx.git#v0.6.0
+npm i https://github.com/DavidBruant/ods-xlsx.git#v0.7.0
 ```
 
 
diff --git a/scripts/shared.js b/scripts/shared.js
index 840695a..e996da6 100644
--- a/scripts/shared.js
+++ b/scripts/shared.js
@@ -248,8 +248,14 @@ export function sheetRawContentToObjects(rawContent){
     let [firstRow, ...dataRows] = rawContent
 
     /** @type {string[]} */
-    //@ts-expect-error this type is correct after the filter
-    const columns = firstRow.filter(({value}) => typeof value === 'string' && value.length >= 1).map(r => r.value)
+    
+    const columns = firstRow.map((r, i) => {
+        if (r.value === undefined || r.value === null || r.value === "") {
+            return `Column ${i+1}`
+        }
+
+        return r.value
+    })
 
     return dataRows
     .map(row => {
diff --git a/tests/sheetRawContentToObjects.js b/tests/sheetRawContentToObjects.js
new file mode 100644
index 0000000..377136c
--- /dev/null
+++ b/tests/sheetRawContentToObjects.js
@@ -0,0 +1,39 @@
+import test from 'ava';
+import { sheetRawContentToObjects } from "../scripts/shared.js"
+
+test("Empty header value should be kept", t => {
+    const rawContent = [
+        [
+            {
+                type: "string",
+                value: "",
+            },
+            {
+                type: "string",
+                value: "Pitchou",
+            },
+        ],
+        [
+            {
+                type: "string",
+                value: "1",
+            },
+            {
+                type: "string",
+                value: "2",
+            },
+        ]
+    ]
+
+    const object = sheetRawContentToObjects(rawContent)
+
+    t.deepEqual(
+        object, 
+        [
+            {
+                "Column 1": "1",
+                "Pitchou": "2",
+            }
+        ]
+    )
+}) 
\ No newline at end of file