diff --git a/README.md b/README.md
index 9f5abc8..74a85f3 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,6 @@
 ## Usage
 
 ```bash
-$ ./index.mjs | gzip - > data.json.gz
- ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 0% | ETA: 17698s | 10000/1943464
+$ ./index.mjs | gzip - > data.json.gz 
+ ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 0% | ETA: 104042s | 10000/1943464
 ```
diff --git a/index.mjs b/index.mjs
index 1f57a3d..0919e55 100755
--- a/index.mjs
+++ b/index.mjs
@@ -17,6 +17,7 @@
 
 const bar = new cliProgress.SingleBar({}, cliProgress.Presets.shades_grey);
 let afterKeyToken;
+let errorPages = 0;
 
 console.log("[\n");
 
@@ -36,6 +37,7 @@
     display(notices);
     const response = await fetch(`https://corhal-api.inist.fr/after/${afterKeyToken}`);
     if (response.status !== 200) {
+        errorPages += 1;
         continue;
     }
     notices = /** @type {object[]} */(await response.json());
@@ -49,3 +51,7 @@
 display(notices, true);
 
 console.log("]\n");
+
+if (errorPages) {
+    console.error(`There has been ${errorPages} pages in error!`);
+}