diff --git a/boards/common/stm32/include/g4/cfg_clock_default.h b/boards/common/stm32/include/g4/cfg_clock_default.h
index 479d27fbe1..a92b656a54 100644
--- a/boards/common/stm32/include/g4/cfg_clock_default.h
+++ b/boards/common/stm32/include/g4/cfg_clock_default.h
@@ -120,11 +120,11 @@ extern "C" {
 #ifndef CONFIG_CLOCK_APB1_DIV
 #define CONFIG_CLOCK_APB1_DIV           (1)
 #endif
-#define CLOCK_APB1                      (CLOCK_CORECLOCK / CONFIG_CLOCK_APB1_DIV)   /* max: 170MHz */
+#define CLOCK_APB1                      (CLOCK_AHB / CONFIG_CLOCK_APB1_DIV)     /* max: 170MHz */
 #ifndef CONFIG_CLOCK_APB2_DIV
 #define CONFIG_CLOCK_APB2_DIV           (1)
 #endif
-#define CLOCK_APB2                      (CLOCK_CORECLOCK / CONFIG_CLOCK_APB2_DIV)   /* max: 170MHz */
+#define CLOCK_APB2                      (CLOCK_AHB / CONFIG_CLOCK_APB2_DIV)     /* max: 170MHz */
 
 #ifdef __cplusplus
 }