diff --git a/tools/mkimage/patches/100-increase-tmpfile-name-length-limit.patch b/tools/mkimage/patches/100-increase-tmpfile-name-length-limit.patch
new file mode 100644
index 0000000000..d375f40f61
--- /dev/null
+++ b/tools/mkimage/patches/100-increase-tmpfile-name-length-limit.patch
@@ -0,0 +1,11 @@
+--- a/tools/mkimage.h
++++ b/tools/mkimage.h
+@@ -42,7 +42,7 @@ static inline ulong map_to_sysmem(void *
+ }
+ 
+ #define MKIMAGE_TMPFILE_SUFFIX		".tmp"
+-#define MKIMAGE_MAX_TMPFILE_LEN		256
++#define MKIMAGE_MAX_TMPFILE_LEN		1024
+ #define MKIMAGE_DEFAULT_DTC_OPTIONS	"-I dts -O dtb -p 500"
+ #define MKIMAGE_MAX_DTC_CMDLINE_LEN	2 * MKIMAGE_MAX_TMPFILE_LEN + 35
+