diff --git a/src/drivers/boards/common/kinetis/board_identity.c b/src/drivers/boards/common/kinetis/board_identity.c
index bc86b156d9..5cea3f50c5 100644
--- a/src/drivers/boards/common/kinetis/board_identity.c
+++ b/src/drivers/boards/common/kinetis/board_identity.c
@@ -51,10 +51,12 @@ static const uint16_t soc_arch_id = PX4_SOC_ARCH_ID;
 void board_get_uuid(uuid_byte_t uuid_bytes)
 {
 	uint32_t *chip_uuid = (uint32_t *) KINETIS_SIM_UIDH;
-	uint32_t  *uuid_words = (uint32_t *) uuid_bytes;
+	uint32_t *uuid_words = (uint32_t *) uuid_bytes;
 
 	for (unsigned int i = 0; i < PX4_CPU_UUID_WORD32_LENGTH; i++) {
-		*uuid_words++ = SWAP_UINT32(chip_uuid[i]);
+		uint32_t current_uuid_bytes = SWAP_UINT32(chip_uuid[i]);
+		memcpy(uuid_words, &current_uuid_bytes, sizeof(uint32_t));
+		++uuid_words;
 	}
 }
 
diff --git a/src/drivers/boards/common/samv7/board_identity.c b/src/drivers/boards/common/samv7/board_identity.c
index fa1b302939..cb2bf2f17a 100644
--- a/src/drivers/boards/common/samv7/board_identity.c
+++ b/src/drivers/boards/common/samv7/board_identity.c
@@ -53,10 +53,12 @@ const uint32_t DUMMY_SIM_UIDH[4] = {0x12345678, 0x12345678, 0x12345678, 0x123456
 void board_get_uuid(uuid_byte_t uuid_bytes)
 {
 	uint32_t *chip_uuid = (uint32_t *) DUMMY_SIM_UIDH;
-	uint32_t  *uuid_words = (uint32_t *) uuid_bytes;
+	uint32_t *uuid_words = (uint32_t *) uuid_bytes;
 
 	for (unsigned int i = 0; i < PX4_CPU_UUID_WORD32_LENGTH; i++) {
-		*uuid_words++ = SWAP_UINT32(chip_uuid[i]);
+		uint32_t current_uuid_bytes = SWAP_UINT32(chip_uuid[i]);
+		memcpy(uuid_words, &current_uuid_bytes, sizeof(uint32_t));
+		++uuid_words;
 	}
 }
 
diff --git a/src/drivers/boards/common/stm32/board_identity.c b/src/drivers/boards/common/stm32/board_identity.c
index 5060f31adb..92cc347948 100644
--- a/src/drivers/boards/common/stm32/board_identity.c
+++ b/src/drivers/boards/common/stm32/board_identity.c
@@ -141,7 +141,9 @@ int board_get_px4_guid(px4_guid_t px4_guid)
 	uint32_t *chip_uuid = (uint32_t *) STM32_SYSMEM_UID;
 
 	for (unsigned i = 0; i < PX4_CPU_UUID_WORD32_LENGTH; i++) {
-		*rv++ = SWAP_UINT32(chip_uuid[(PX4_CPU_UUID_WORD32_LENGTH - 1) - i]);
+		uint32_t uuid_bytes = SWAP_UINT32(chip_uuid[(PX4_CPU_UUID_WORD32_LENGTH - 1) - i]);
+		memcpy(rv, &uuid_bytes, sizeof(uint32_t));
+		++rv;
 	}
 
 	return PX4_GUID_BYTE_LENGTH;