diff --git a/app/src/main/java/org/tasks/jobs/SyncEteSyncWork.kt b/app/src/main/java/org/tasks/jobs/SyncEteSyncWork.kt
index 0f2a0e5da..07cece27e 100644
--- a/app/src/main/java/org/tasks/jobs/SyncEteSyncWork.kt
+++ b/app/src/main/java/org/tasks/jobs/SyncEteSyncWork.kt
@@ -29,6 +29,7 @@ class SyncEteSyncWork @WorkerInject constructor(
     override val syncStatus = R.string.p_sync_ongoing_etesync
 
     override suspend fun doSync() {
+        firebase.logEvent(R.string.legacy_etesync)
         etesyncJobs().awaitAll()
     }
 
diff --git a/app/src/main/res/values/keys.xml b/app/src/main/res/values/keys.xml
index 93a5f8df0..83ec748cf 100644
--- a/app/src/main/res/values/keys.xml
+++ b/app/src/main/res/values/keys.xml
@@ -443,5 +443,6 @@
   <string name="event_todoagenda">cp_todoagenda</string>
   <string name="event_astrid2taskprovider">cp_astrid2taskprovider</string>
   <string name="event_sync_add_account">sync_add_account</string>
+  <string name="legacy_etesync">legacy_etesync</string>
   <string name="param_type">type</string>
 </resources>