diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 086f0c7..0c0ec03 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -1225,6 +1225,9 @@
 {
 	void *fdt_blob = NULL;
 
+	if (IS_ENABLED(CONFIG_SANDBOX))
+		return NULL;
+
 #ifdef CONFIG_SPL_BUILD
 	/* FDT is at end of BSS unless it is in a different memory region */
 	if (CONFIG_IS_ENABLED(SEPARATE_BSS))