diff --git a/Makefile b/Makefile
index 895fca62..fd620f0c 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 # Compiler options here.
 ifeq ($(USE_OPT),)
   USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16 -std=gnu99
-  USE_OPT += -DSTM32F40_41xxx
+  USE_OPT += -DSTM32F40_41xxx -DBOARD_OTG_NOVBUSSENS
 endif
 
 # C specific options here (added to USE_OPT).
diff --git a/build/BLDC_4_ChibiOS.bin b/build/BLDC_4_ChibiOS.bin
index 2fca1ba9..e7f4b8fe 100755
Binary files a/build/BLDC_4_ChibiOS.bin and b/build/BLDC_4_ChibiOS.bin differ
diff --git a/main.c b/main.c
index 360a8b35..018e005f 100644
--- a/main.c
+++ b/main.c
@@ -55,6 +55,9 @@
  * to
  * otgp->GCCFG = GCCFG_NOVBUSSENS | GCCFG_PWRDWN;
  *
+ * This should be handled automatically with the latest version of
+ * ChibiOS since I have added an option to the makefile.
+ *
  */
 
 // Settings