diff --git a/Core/Src/main.c b/Core/Src/main.c
index 262d9dd..2c9bcad 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -833,8 +833,8 @@ void print_system_info(void) {
 	printf("CMSIS V%u.%u\n", __CM_CMSIS_VERSION_MAIN, __CM_CMSIS_VERSION_SUB);
 	printf("STM32L4 CMSIS Device V%u.%u.%u.%u\n", __STM32L4_CMSIS_VERSION_MAIN,
 			__STM32L4_CMSIS_VERSION_SUB1,__STM32L4_CMSIS_VERSION_SUB2,__STM32L4_CMSIS_VERSION_RC);
-	printf("STM32L4xx HAL Driver V%u.%u.%u.%u\n", STM32L4XX_HAL_VERSION_MAIN,
-			STM32L4XX_HAL_VERSION_SUB1, STM32L4XX_HAL_VERSION_SUB2, STM32L4XX_HAL_VERSION_RC);
+	printf("HAL Driver V%hu.%hu.%hu.%hu\n", (uint8_t)(HAL_GetHalVersion()>>24), (uint8_t)(HAL_GetHalVersion()>>16),
+			(uint8_t)(HAL_GetHalVersion()>>8), (uint8_t) HAL_GetHalVersion());
 	printf("Si5351 STM32-driver V%u.%u.%u\n", __SI5351__, __SI5351_MINOR__, __SI5351_PATCHLEVEL__);
 	printf("GNU Compiler Collection V%u.%u.%u\n", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
diff --git a/Core/Src/ringbuf_test.c b/Core/Src/ringbuf_test.c
index 5dda4c8..3dadea0 100644
--- a/Core/Src/ringbuf_test.c
+++ b/Core/Src/ringbuf_test.c
@@ -48,7 +48,7 @@ void ringbuf_test(void) {
 	ringbuf_destroy(rb1);
 	malloc_stats();
 
-	printf("rb1 after destroy is: 0x%08X\n", rb1);
+	printf("rb1 after destroy is: 0x%08X\n", (unsigned int) rb1);
 
 
 }