diff --git a/msys2/autobuild/FLASH - All.bat b/msys2/autobuild/FLASH - All.bat
index ad2264486..daf1e5f0d 100644
--- a/msys2/autobuild/FLASH - All.bat	
+++ b/msys2/autobuild/FLASH - All.bat	
@@ -27,7 +27,12 @@ echo             ====================================================
 echo             FLASHING bootrom.elf + fullimage.elf, please wait...
 echo             ====================================================
 echo.
-flasher.exe com5 -b ..\firmware_win\bootrom\bootrom.elf ..\firmware_win\fullimage.elf
+
+if exist flasher.exe (
+    flasher.exe com5 -b ..\firmware_win\bootrom\bootrom.elf ..\firmware_win\fullimage.elf
+) else (
+    proxmark3.exe com5 --flash --unlock-bootloader --image ..\firmware_win\bootrom\bootrom.elf --image ..\firmware_win\fullimage.elf
+)
 
 pause.
 
diff --git a/msys2/autobuild/FLASH - Bootrom.bat b/msys2/autobuild/FLASH - Bootrom.bat
index 1bc139e18..a102b37cb 100644
--- a/msys2/autobuild/FLASH - Bootrom.bat	
+++ b/msys2/autobuild/FLASH - Bootrom.bat	
@@ -40,7 +40,12 @@ echo                 ====================================
 echo                 FLASHING bootrom.elf, please wait...
 echo                 ====================================
 echo.
-flasher.exe com5 -b ..\firmware_win\bootrom\bootrom.elf
+
+if exist flasher.exe (
+    flasher.exe com5 -b ..\firmware_win\bootrom\bootrom.elf
+) else (
+    proxmark3.exe com5 --flash --unlock-bootloader --image ..\firmware_win\bootrom\bootrom.elf
+)
 
 pause.
 
diff --git a/msys2/autobuild/FLASH - fullimage.bat b/msys2/autobuild/FLASH - fullimage.bat
index 3405946a3..666624130 100644
--- a/msys2/autobuild/FLASH - fullimage.bat	
+++ b/msys2/autobuild/FLASH - fullimage.bat	
@@ -26,7 +26,12 @@ echo                 ======================================
 echo                 FLASHING fullimage.elf, please wait...
 echo                 ======================================
 echo.
-flasher.exe com5 -b ..\firmware_win\fullimage.elf
+
+if exist flasher.exe (
+    flasher.exe com5 -b ..\firmware_win\fullimage.elf
+) else (
+    proxmark3.exe com5 --flash --unlock-bootloader --image ..\firmware_win\fullimage.elf
+)
 
 pause.