From aa5b98028dc345ab6918295500607a00e5e74add Mon Sep 17 00:00:00 2001
From: Dan Evans <dan.evans@nelsonirrigation.com>
Date: Wed, 16 Aug 2017 15:25:38 -0600
Subject: [PATCH] drop the F

---
 cpu/samd21/include/periph_clock_config.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpu/samd21/include/periph_clock_config.h b/cpu/samd21/include/periph_clock_config.h
index a75b3679c3a1c..73e988a806c60 100644
--- a/cpu/samd21/include/periph_clock_config.h
+++ b/cpu/samd21/include/periph_clock_config.h
@@ -28,7 +28,7 @@ extern "C" {
  */
     
 /* If RTC or RTT is on Need XOSC32 */
-#if RTC_NUMOF || RTT_NUMOFF
+#if RTC_NUMOF || RTT_NUMOF
 #ifndef CLOCK_XOSC32K
 #define CLOCK_XOSC32K       (32768UL)
 #endif