diff --git a/examples/stm32/f1/stm32-h103/usb_cdcacm/cdcacm.c b/examples/stm32/f1/stm32-h103/usb_cdcacm/cdcacm.c
index faec759..1f762e0 100644
--- a/examples/stm32/f1/stm32-h103/usb_cdcacm/cdcacm.c
+++ b/examples/stm32/f1/stm32-h103/usb_cdcacm/cdcacm.c
@@ -238,7 +238,7 @@ int main(void)
 
 	usbd_device *usbd_dev;
 
-	rcc_clock_setup_in_hsi_out_48mhz();
+	rcc_clock_setup_in_hse_8mhz_out_72mhz();
 
 	rcc_periph_clock_enable(RCC_GPIOC);
 
diff --git a/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c b/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c
index e61c98c..1ac4fba 100644
--- a/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c
+++ b/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c
@@ -258,7 +258,7 @@ int main(void)
 		}
 	}
 
-	rcc_clock_setup_in_hsi_out_48mhz();
+	rcc_clock_setup_in_hse_8mhz_out_72mhz();
 
 	rcc_periph_clock_enable(RCC_GPIOC);
 
diff --git a/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c b/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c
index 087098b..f385e05 100644
--- a/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c
+++ b/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c
@@ -259,7 +259,7 @@ int main(void)
 		}
 	}
 
-	rcc_clock_setup_in_hsi_out_48mhz();
+	rcc_clock_setup_in_hse_8mhz_out_72mhz();
 
 	rcc_periph_clock_enable(RCC_GPIOA);
 	rcc_periph_clock_enable(RCC_AFIO);