diff --git a/boards/px4/fmu-v5x/src/mtd.cpp b/boards/px4/fmu-v5x/src/mtd.cpp
index 0344ece7a2..f0b518699a 100644
--- a/boards/px4/fmu-v5x/src/mtd.cpp
+++ b/boards/px4/fmu-v5x/src/mtd.cpp
@@ -88,15 +88,15 @@ static const px4_mtd_entry_t imu_eeprom = {
 	.device = &i2c4,
 	.npart = 2,
 	.partd = {
-		{
-			.type = MTD_ID,
-			.path = "/fs/mtd_id",
-			.nblocks = 8 // 256 = 32 * 8
-		},
 		{
 			.type = MTD_CALDATA,
 			.path = "/fs/mtd_caldata",
 			.nblocks = 248
+		},
+		{
+			.type = MTD_ID,
+			.path = "/fs/mtd_id",
+			.nblocks = 8 // 256 = 32 * 8
 		}
 	},
 };
diff --git a/boards/px4/fmu-v6x/src/mtd.cpp b/boards/px4/fmu-v6x/src/mtd.cpp
index 0344ece7a2..f0b518699a 100644
--- a/boards/px4/fmu-v6x/src/mtd.cpp
+++ b/boards/px4/fmu-v6x/src/mtd.cpp
@@ -88,15 +88,15 @@ static const px4_mtd_entry_t imu_eeprom = {
 	.device = &i2c4,
 	.npart = 2,
 	.partd = {
-		{
-			.type = MTD_ID,
-			.path = "/fs/mtd_id",
-			.nblocks = 8 // 256 = 32 * 8
-		},
 		{
 			.type = MTD_CALDATA,
 			.path = "/fs/mtd_caldata",
 			.nblocks = 248
+		},
+		{
+			.type = MTD_ID,
+			.path = "/fs/mtd_id",
+			.nblocks = 8 // 256 = 32 * 8
 		}
 	},
 };