diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c
index 3ba2fbb..a81cb7b 100644
--- a/board/socrates/socrates.c
+++ b/board/socrates/socrates.c
@@ -220,13 +220,15 @@
 #endif /* CONFIG_OF_BOARD_SETUP */
 
 #if defined(CONFIG_OF_SEPARATE)
-void *board_fdt_blob_setup(void)
+void *board_fdt_blob_setup(int *err)
 {
 	void *fw_dtb;
 
+	*err = 0;
 	fw_dtb = (void *)(CONFIG_SYS_TEXT_BASE - CONFIG_ENV_SECT_SIZE);
 	if (fdt_magic(fw_dtb) != FDT_MAGIC) {
 		printf("DTB is not passed via %x\n", (u32)fw_dtb);
+		*err = -ENXIO;
 		return NULL;
 	}