From 200c474a13e4e320b971b49e9ec364ee77d23ba8 Mon Sep 17 00:00:00 2001
From: Hierophect <hierophect@gmail.com>
Date: Fri, 20 Sep 2019 15:55:11 -0400
Subject: correct typo

---
 ports/stm32f4/mpconfigport.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ports/stm32f4/mpconfigport.mk b/ports/stm32f4/mpconfigport.mk
index 5f697e5a9..e814d86e4 100644
--- a/ports/stm32f4/mpconfigport.mk
+++ b/ports/stm32f4/mpconfigport.mk
@@ -21,7 +21,7 @@ CIRCUITPY_ANALOGIO = 1
 CIRCUITPY_MICROCONTROLLER = 1
 CIRCUITPY_BUSIO = 1
 CIRCUITPY_TIME = 1
-CIRCUITPY_BUSIO = 1
+CIRCUITPY_OS = 1
 CIRCUITPY_STRUCT = 1
 
 #ifeq ($(MCU_SUB_VARIANT), stm32f412zx)
-- 
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