diff --git a/examples/stm32/f1/lisa-m-1/usb_dfu/usbdfu.c b/examples/stm32/f1/lisa-m-1/usb_dfu/usbdfu.c
index 1ed3ec1..6b96958 100644
--- a/examples/stm32/f1/lisa-m-1/usb_dfu/usbdfu.c
+++ b/examples/stm32/f1/lisa-m-1/usb_dfu/usbdfu.c
@@ -145,11 +145,13 @@ static void usbdfu_getstatus_complete(usbd_device *usbd_dev, struct usb_setup_da
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					flash_erase_page(*dat);
 				}
+				break;
 			case CMD_SETADDR:
 				{
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					prog.addr = *dat;
 				}
+				break;
 			}
 		} else {
 			uint32_t baseaddr = prog.addr + ((prog.blocknum - 2) *
diff --git a/examples/stm32/f1/other/usb_dfu/usbdfu.c b/examples/stm32/f1/other/usb_dfu/usbdfu.c
index 700a4dc..2d033cd 100644
--- a/examples/stm32/f1/other/usb_dfu/usbdfu.c
+++ b/examples/stm32/f1/other/usb_dfu/usbdfu.c
@@ -145,11 +145,13 @@ static void usbdfu_getstatus_complete(usbd_device *usbd_dev, struct usb_setup_da
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					flash_erase_page(*dat);
 				}
+				break;
 			case CMD_SETADDR:
 				{
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					prog.addr = *dat;
 				}
+				break;
 			}
 		} else {
 			uint32_t baseaddr = prog.addr + ((prog.blocknum - 2) *
diff --git a/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c b/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c
index 2dada99..e7809bd 100644
--- a/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c
+++ b/examples/stm32/f1/stm32-h103/usb_dfu/usbdfu.c
@@ -147,11 +147,13 @@ static void usbdfu_getstatus_complete(usbd_device *usbd_dev, struct usb_setup_da
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					flash_erase_page(*dat);
 				}
+				break;
 			case CMD_SETADDR:
 				{
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					prog.addr = *dat;
 				}
+				break;
 			}
 		} else {
 			uint32_t baseaddr = prog.addr + ((prog.blocknum - 2) *
diff --git a/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c b/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c
index 378051a..41e849c 100644
--- a/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c
+++ b/examples/stm32/f1/stm32-h103/usb_iap/usbiap.c
@@ -147,11 +147,13 @@ static void usbdfu_getstatus_complete(usbd_device *usbd_dev, struct usb_setup_da
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					flash_erase_page(*dat);
 				}
+				break;
 			case CMD_SETADDR:
 				{
 					uint32_t *dat = (uint32_t *)(prog.buf + 1);
 					prog.addr = *dat;
 				}
+				break;
 			}
 		} else {
 			uint32_t baseaddr = prog.addr + ((prog.blocknum - 2) *