diff --git a/lib/usb_cdcacm.c b/lib/usb_cdcacm.c
index caed5e2..36328e3 100644
--- a/lib/usb_cdcacm.c
+++ b/lib/usb_cdcacm.c
@@ -300,7 +300,7 @@ void cdcacm_setup(void)
 	rcc_periph_clock_enable(RCC_GPIOA);
 	gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
 	gpio_clear(GPIOA, GPIO12);
-	for (uint32_t i = 0; i < 0x8000; i++) {
+	for (uint32_t i = 0; i < 0x800; i++) {
 		__asm__("nop");
 	}
 #elif MAPLE_MINI