diff --git a/configs/samd20-xplained/include/board.h b/configs/samd20-xplained/include/board.h
index c8fea05b09..94e82b9cb7 100644
--- a/configs/samd20-xplained/include/board.h
+++ b/configs/samd20-xplained/include/board.h
@@ -178,7 +178,7 @@
  *   BOARD_DFLL_FINEVALUE           - Value
  *
  * Closed loop mode only:
- *   BOARD_DFLL_SRCGCLKGEN          - See GCLK_CLKCTRL_GEN* definitions
+ *   BOARD_DFLL_GCLKGEN          - See GCLK_CLKCTRL_GEN* definitions
  *   BOARD_DFLL_MULTIPLIER          - Value
  *   BOARD_DFLL_MAXCOARSESTEP       - Value
  *   BOARD_DFLL_MAXFINESTEP         - Value
@@ -198,7 +198,7 @@
 
 /* DFLL closed loop mode configuration */
 
-#define BOARD_DFLL_SRCGCLKGEN         GCLK_CLKCTRL_GEN1
+#define BOARD_DFLL_GCLKGEN         GCLK_CLKCTRL_GEN1
 #define BOARD_DFLL_MULTIPLIER         6
 #define BOARD_DFLL_QUICKLOCK          1
 #define BOARD_DFLL_TRACKAFTERFINELOCK 1
@@ -343,7 +343,7 @@
 
 /* EDBG/CDC USART on SERCOM3 */
 
-#define BOARD_SERCOM3_SRCGCLKGEN   GCLK_CLKCTRL_GEN0
+#define BOARD_SERCOM3_GCLKGEN      GCLK_CLKCTRL_GEN0
 #define BOARD_SERCOM3_MUXCONFIG    (USART_CTRLA_RXPAD3 | USART_CTRLA_TXPAD2)
 #define BOARD_SERCOM3_PINMAP_PAD0  0
 #define BOARD_SERCOM3_PINMAP_PAD1  0