diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 6443a1f..825082d 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -40,7 +40,7 @@
 endif
 
 ifeq ($(HOST_OS),windows)
-  LOCAL_SRC_FILES += usb_windows.c util_windows.c
+  LOCAL_SRC_FILES += usb_windows.cpp util_windows.cpp
   EXTRA_STATIC_LIBS := AdbWinApi
   ifneq ($(strip $(USE_CYGWIN)),)
     # Pure cygwin case
diff --git a/fastboot/usb_windows.c b/fastboot/usb_windows.cpp
similarity index 100%
rename from fastboot/usb_windows.c
rename to fastboot/usb_windows.cpp
diff --git a/fastboot/util_windows.c b/fastboot/util_windows.cpp
similarity index 98%
rename from fastboot/util_windows.c
rename to fastboot/util_windows.cpp
index 74a5c27..ec52f39 100644
--- a/fastboot/util_windows.c
+++ b/fastboot/util_windows.cpp
@@ -26,6 +26,8 @@
  * SUCH DAMAGE.
  */
 
+#include "fastboot.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>