diff --git a/Src/stm32f3xx_hal_smartcard.c b/Src/stm32f3xx_hal_smartcard.c
index 91f223f..08aa17d 100644
--- a/Src/stm32f3xx_hal_smartcard.c
+++ b/Src/stm32f3xx_hal_smartcard.c
@@ -2296,21 +2296,21 @@
   {
     case SMARTCARD_CLOCKSOURCE_PCLK1:
       pclk = HAL_RCC_GetPCLK1Freq();
-      tmpreg = (uint16_t)((pclk + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
+      tmpreg = (uint32_t)((pclk + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
       break;
     case SMARTCARD_CLOCKSOURCE_PCLK2:
       pclk = HAL_RCC_GetPCLK2Freq();
-      tmpreg = (uint16_t)((pclk + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
+      tmpreg = (uint32_t)((pclk + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
       break;
     case SMARTCARD_CLOCKSOURCE_HSI:
-      tmpreg = (uint16_t)((HSI_VALUE + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
+      tmpreg = (uint32_t)((HSI_VALUE + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
       break;
     case SMARTCARD_CLOCKSOURCE_SYSCLK:
       pclk = HAL_RCC_GetSysClockFreq();
-      tmpreg = (uint16_t)((pclk + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
+      tmpreg = (uint32_t)((pclk + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
       break;
     case SMARTCARD_CLOCKSOURCE_LSE:
-      tmpreg = (uint16_t)((LSE_VALUE + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
+      tmpreg = (uint32_t)((LSE_VALUE + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
       break;
     default:
       ret = HAL_ERROR;
@@ -2320,7 +2320,7 @@
   /* USARTDIV must be greater than or equal to 0d16 */
   if ((tmpreg >= USART_BRR_MIN) && (tmpreg <= USART_BRR_MAX))
   {
-    hsmartcard->Instance->BRR = tmpreg;
+    hsmartcard->Instance->BRR = (uint16_t)tmpreg;
   }
   else
   {