diff --git a/services/backup/src/Reactors/server/PullBackupReactor.h b/services/backup/src/Reactors/server/PullBackupReactor.h
--- a/services/backup/src/Reactors/server/PullBackupReactor.h
+++ b/services/backup/src/Reactors/server/PullBackupReactor.h
@@ -37,6 +37,7 @@
   std::vector<std::shared_ptr<database::LogItem>> logs;
   size_t currentLogIndex = 0;
   std::shared_ptr<database::LogItem> currentLog;
+  size_t currentChunkCounter = 0;
 
   void initializeGetReactor(const std::string &holder);
 
diff --git a/services/backup/src/Reactors/server/PullBackupReactor.cpp b/services/backup/src/Reactors/server/PullBackupReactor.cpp
--- a/services/backup/src/Reactors/server/PullBackupReactor.cpp
+++ b/services/backup/src/Reactors/server/PullBackupReactor.cpp
@@ -60,6 +60,7 @@
     std::string dataChunk;
     this->dataChunks->blockingRead(dataChunk);
     if (!dataChunk.empty()) {
+      response->set_chunkcounter(this->currentChunkCounter++);
       response->set_compactionchunk(dataChunk);
       return nullptr;
     }
@@ -72,6 +73,7 @@
           this->getReactor->getStatusHolder()->getStatus().error_message());
     }
     this->state = State::LOGS;
+    this->currentChunkCounter = 0;
   }
   if (this->state == State::LOGS) {
     // TODO make sure logs are received in correct order regardless their size
@@ -108,7 +110,9 @@
         // data to the client and reset currentLog so the next invocation of
         // writeResponse will take another one from the collection
         response->set_logchunk(this->currentLog->getValue());
+        response->set_chunkcounter(this->currentChunkCounter);
         ++this->currentLogIndex;
+        this->currentChunkCounter = 0;
         this->currentLog = nullptr;
         return nullptr;
       }
@@ -126,10 +130,12 @@
     //  If there's data inside, we write it to the client and proceed.
     if (dataChunk.empty()) {
       ++this->currentLogIndex;
+      this->currentChunkCounter = 0;
       this->currentLog = nullptr;
       return nullptr;
     } else {
       response->set_logchunk(dataChunk);
+      response->set_chunkcounter(this->currentChunkCounter++);
     }
     return nullptr;
   }