diff --git a/boards/common/stm32/include/f0/cfg_clock_default.h b/boards/common/stm32/include/f0/cfg_clock_default.h
index 50038d220a..dd49a049d6 100644
--- a/boards/common/stm32/include/f0/cfg_clock_default.h
+++ b/boards/common/stm32/include/f0/cfg_clock_default.h
@@ -128,7 +128,7 @@ extern "C" {
 #ifndef CONFIG_CLOCK_APB1_DIV
 #define CONFIG_CLOCK_APB1_DIV           (1)
 #endif
-#define CLOCK_APB1                      (CLOCK_CORECLOCK / CONFIG_CLOCK_APB1_DIV)   /* max: 48MHz */
+#define CLOCK_APB1                      (CLOCK_AHB / CONFIG_CLOCK_APB1_DIV)   /* max: 48MHz */
 /** @} */
 
 #ifdef __cplusplus