diff --git a/tools/stm32image/stm32image.c b/tools/stm32image/stm32image.c
index 2607928..41024e2 100644
--- a/tools/stm32image/stm32image.c
+++ b/tools/stm32image/stm32image.c
@@ -22,7 +22,7 @@
 #define VER_MINOR		1
 #define VER_VARIANT		0
 #define HEADER_VERSION_V1	0x1
-#define TF_BINARY_TYPE		0x0
+#define TF_BINARY_TYPE		0x10
 
 /* Default option : bit0 => no signature */
 #define HEADER_DEFAULT_OPTION	(__cpu_to_le32(0x00000001))