diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
index cd1d6b2..925a1b1 100644
--- a/common/spl/spl_spi.c
+++ b/common/spl/spl_spi.c
@@ -96,8 +96,11 @@
 		/* Load u-boot, mkimage header is 64 bytes. */
 		err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
 				     (void *)header);
-		if (err)
+		if (err) {
+			debug("%s: Failed to read from SPI flash (err=%d)\n",
+			      __func__, err);
 			return err;
+		}
 
 		if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
 			image_get_magic(header) == FDT_MAGIC) {