diff --git a/doc/uImage.FIT/kernel.its b/doc/uImage.FIT/kernel.its
index d1a5939..ef3ab8f 100644
--- a/doc/uImage.FIT/kernel.its
+++ b/doc/uImage.FIT/kernel.its
@@ -1,6 +1,9 @@
 /*
  * Simple U-boot uImage source file containing a single kernel
  */
+
+/dts-v1/;
+
 / {
 	description = "Simple image with single Linux kernel";
 	#address-cells = <1>;
diff --git a/doc/uImage.FIT/kernel_fdt.its b/doc/uImage.FIT/kernel_fdt.its
index fd6dee2..7e940d2 100644
--- a/doc/uImage.FIT/kernel_fdt.its
+++ b/doc/uImage.FIT/kernel_fdt.its
@@ -1,6 +1,9 @@
 /*
  * Simple U-boot uImage source file containing a single kernel and FDT blob
  */
+
+/dts-v1/;
+
 / {
 	description = "Simple image with single Linux kernel and FDT blob";
 	#address-cells = <1>;
diff --git a/doc/uImage.FIT/multi.its b/doc/uImage.FIT/multi.its
index 1d8c2db..a120da0 100644
--- a/doc/uImage.FIT/multi.its
+++ b/doc/uImage.FIT/multi.its
@@ -1,6 +1,9 @@
 /*
  * U-boot uImage source file with multiple kernels, ramdisks and FDT blobs
  */
+
+/dts-v1/;
+
 / {
 	description = "Various kernels, ramdisks and FDT blobs";
 	#address-cells = <1>;
diff --git a/doc/uImage.FIT/update3.its b/doc/uImage.FIT/update3.its
index 285cf73..a6eaef6 100644
--- a/doc/uImage.FIT/update3.its
+++ b/doc/uImage.FIT/update3.its
@@ -1,6 +1,9 @@
 /*
  * Example Automatic software update file.
  */
+
+/dts-v1/;
+
 / {
 	description = "Automatic software updates: kernel, ramdisk, FDT";
 	#address-cells = <1>;
diff --git a/doc/uImage.FIT/update_uboot.its b/doc/uImage.FIT/update_uboot.its
index e0d27ea..846723e 100644
--- a/doc/uImage.FIT/update_uboot.its
+++ b/doc/uImage.FIT/update_uboot.its
@@ -2,6 +2,9 @@
  * Automatic software update for U-Boot
  * Make sure the flashing addresses ('load' prop) is correct for your board!
  */
+
+/dts-v1/;
+
 / {
 	description = "Automatic U-Boot update";
 	#address-cells = <1>;