diff --git a/tools/fdtgrep.c b/tools/fdtgrep.c
index db512465db..641d6a2e3e 100644
--- a/tools/fdtgrep.c
+++ b/tools/fdtgrep.c
@@ -438,8 +438,7 @@ static int dump_fdt_regions(struct display_info *disp, const void *blob,
 	fdt = (struct fdt_header *)out;
 	memset(fdt, '\0', sizeof(*fdt));
 	fdt_set_magic(fdt, FDT_MAGIC);
-	struct_start = FDT_ALIGN(sizeof(struct fdt_header),
-					sizeof(struct fdt_reserve_entry));
+	struct_start = sizeof(struct fdt_header);
 	fdt_set_off_mem_rsvmap(fdt, struct_start);
 	fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
 	fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);