diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 86069b36bc..0f53b54157 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -1230,8 +1230,8 @@ int PX4IO::io_reg_modify(uint8_t page, uint8_t offset, uint16_t clearbits, uint1
 int PX4IO::print_status()
 {
 	/* basic configuration */
-	printf("protocol %" PRIu32 " hardware %" PRIu32 " bootloader %" PRIu32 " buffer %" PRIu32 "B crc 0x%04" PRIu32 "%04"
-	       PRIu32 "\n",
+	printf("protocol %" PRIu32 " hardware %" PRIu32 " bootloader %" PRIu32 " buffer %" PRIu32 "B crc 0x%04" PRIx32 "%04"
+	       PRIx32 "\n",
 	       io_reg_get(PX4IO_PAGE_CONFIG, PX4IO_P_CONFIG_PROTOCOL_VERSION),
 	       io_reg_get(PX4IO_PAGE_CONFIG, PX4IO_P_CONFIG_HARDWARE_VERSION),
 	       io_reg_get(PX4IO_PAGE_CONFIG, PX4IO_P_CONFIG_BOOTLOADER_VERSION),