diff --git a/tests/gadget-zero/main-stm32f103-generic.c b/tests/gadget-zero/main-stm32f103-generic.c
index 5e701dea..f6b502a0 100644
--- a/tests/gadget-zero/main-stm32f103-generic.c
+++ b/tests/gadget-zero/main-stm32f103-generic.c
@@ -35,7 +35,7 @@
 
 int main(void)
 {
-	rcc_clock_setup_in_hse_8mhz_out_72mhz();
+	rcc_clock_setup_pll(&rcc_hsi_configs[RCC_CLOCK_HSI_48MHZ]);
 	/* LED to indicate boot process */
 	rcc_periph_clock_enable(RCC_GPIOC);
 	gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,