diff --git a/stm-firmware/setup/system_stm32f4xx.c b/stm-firmware/setup/system_stm32f4xx.c
index b2d4bb7..1bde7e7 100644
--- a/stm-firmware/setup/system_stm32f4xx.c
+++ b/stm-firmware/setup/system_stm32f4xx.c
@@ -399,7 +399,7 @@ static void SetSysClock(void)
     RCC->CFGR |= RCC_CFGR_SW_PLL;
 
     /* Wait till the main PLL is used as system clock source */
-    while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS ) != RCC_CFGR_SWS_PLL);
+    while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS ) != RCC_CFGR_SWS_PLL)
     {
     }
   }