diff --git a/tools/platformio-build.py b/tools/platformio-build.py
index 6643b1f0..09e345c0 100644
--- a/tools/platformio-build.py
+++ b/tools/platformio-build.py
@@ -118,7 +118,7 @@ env.Append(
     ],
 
     UPLOADERFLAGS=[
-        "0x1000", '"%s"' % join(FRAMEWORK_DIR, "tools", "sdk", "bin", "bootloader.bin"),
+        "0x1000", '"%s"' % join(FRAMEWORK_DIR, "tools", "sdk", "bin", "bootloader_dio_40m.bin"),
         "0x8000", '"%s"' % join("$BUILD_DIR", "partitions.bin"),
         "0xe000", '"%s"' % join(FRAMEWORK_DIR, "tools", "partitions", "boot_app0.bin"),
         "0x10000"