diff --git a/DownloadDCFirmware/main.cpp b/DownloadDCFirmware/main.cpp
index ad64256..0c1267a 100644
--- a/DownloadDCFirmware/main.cpp
+++ b/DownloadDCFirmware/main.cpp
@@ -189,7 +189,7 @@ int main(int argc, char **argv) {
     }
 
     Update u(fi.absoluteFilePath(), libca, debug, noaction);
-    // u.run();
+    u.run();
 
     qInfo() << "<DC-UPDATE-FINISH>";
 
diff --git a/DownloadDCFirmware/update.cpp b/DownloadDCFirmware/update.cpp
index b57bbfe..8118617 100644
--- a/DownloadDCFirmware/update.cpp
+++ b/DownloadDCFirmware/update.cpp
@@ -400,19 +400,19 @@ int Update::run() {
         // TODO
         resetDeviceController();
         if (startBootloader()) {
-#if 0
+
             int currentBlock = 0;
             DownloadResult res = DownloadResult::OK;
             qInfo() << nextTimePoint().toUtf8().constData() << "64-byte block" << currentBlock;
 
-            while (res != DownloadResult::ERROR && currentBlock < m_totalBlocks) {
+            while (res != DownloadResult::ERROR && currentBlock <= m_totalBlocks) {
                 if ((res = sendNextAddress(currentBlock)) != DownloadResult::ERROR) {
                     if ((res = sendNextDataBlock(ba, currentBlock)) != DownloadResult::ERROR) {
                         currentBlock += 1;
                     } else break;
                 }
             }
-#endif
+
 #if 0
             qCritical() << "DownloadThread::run(): last 64-byte block %04d" << currentBlock;