diff --git a/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.spec.ts b/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.spec.ts
index 88d86dfa33..e27fa31e44 100644
--- a/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.spec.ts
+++ b/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.spec.ts
@@ -85,8 +85,8 @@ describe('metadata files helpers', () => {
       const major = 1;
       const minor = 3;
       mockCoerce.mockReturnValue({ major, minor});
-      await expect(getVersionRangeFromLatestVersion(`${major}.${minor}.14`, 'major')).resolves.toBe(`<${major}.0.0`);
-      await expect(getVersionRangeFromLatestVersion(`${major}.${minor}.14`, 'minor')).resolves.toBe(`<${major}.${minor}.0`);
+      await expect(getVersionRangeFromLatestVersion(`${major}.${minor}.14`, 'major')).resolves.toBe(`<${major}.0.0-a`);
+      await expect(getVersionRangeFromLatestVersion(`${major}.${minor}.14`, 'minor')).resolves.toBe(`<${major}.${minor}.0-a`);
     });
   });
 
diff --git a/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.ts b/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.ts
index d763f490bd..1388285b41 100644
--- a/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.ts
+++ b/packages/@o3r/extractors/src/core/comparator/metadata-files.helper.ts
@@ -54,5 +54,5 @@ export async function getVersionRangeFromLatestVersion(latestMigrationVersion: s
   if (!semver) {
     throw new O3rCliError(`${latestMigrationVersion} is not a valid version.`);
   }
-  return `<${semver.major}.${granularity === 'minor' ? semver.minor : 0}.0`;
+  return `<${semver.major}.${granularity === 'minor' ? semver.minor : 0}.0-a`;
 }
diff --git a/packages/@o3r/telemetry/src/sender/index.ts b/packages/@o3r/telemetry/src/sender/index.ts
index fe4d185528..e97f5b92d6 100644
--- a/packages/@o3r/telemetry/src/sender/index.ts
+++ b/packages/@o3r/telemetry/src/sender/index.ts
@@ -66,19 +66,32 @@ export type SendDataFn = (data: MetricData, logger?: { error: (msg: string) => v
 /**
  * Send metric to a Amadeus Log Server
  * @param data Metrics to report
- * @param _logger Optional logger to provide to the function
- * @param _logger.error
+ * @param logger Optional logger to provide to the function
  */
-export const sendData: SendDataFn = async (data: MetricData, _logger?: { error: (msg: string) => void }) => {
-  const message = JSON.stringify(data);
-  const body = JSON.stringify({
-    messages: [{
-      applicationName: 'OTTER',
-      message
-    }]
-  });
-  await fetch('https://uat.digital-logging.saas.amadeus.com/postUILogs', {
-    method: 'POST',
-    body
-  });
+export const sendData: SendDataFn = (data, logger) => {
+  let body!: string;
+  try {
+    const message = JSON.stringify(data);
+    body = JSON.stringify({
+      messages: [{
+        applicationName: 'OTTER',
+        message
+      }]
+    });
+  } catch (e: any) {
+    return Promise.reject(e);
+  }
+
+  setTimeout(() => {
+    void fetch('https://uat.digital-logging.saas.amadeus.com/postUILogs', {
+      method: 'POST',
+      body
+    }).catch((e) => {
+      const err = (e instanceof Error ? e : new Error(e));
+      logger?.error(err.stack || err.toString());
+    });
+  }, 1).unref();
+
+  return Promise.resolve();
 };
+