diff --git a/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend b/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend
index 92ac322b1..db851ca82 100644
--- a/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend
+++ b/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend
@@ -72,7 +72,7 @@ maintain a custom recipe."
 	cp ${DEPLOY_DIR_IMAGE}/${BOOT_TOOLS}/${ATF_MACHINE_NAME} ${BOOT_STAGING}/bl31.bin
 	# Create dummy DEK blob
 	if [ "${TRUSTFENCE_DEK_PATH}" != "0" ]; then
-		dd if=/dev/zero of=${BOOT_STAGING}/dek_blob_fit_dummy.bin bs=96 count=1 && sync
+		dd if=/dev/zero of=${BOOT_STAGING}/dek_blob_fit_dummy.bin bs=96 count=1 oflag=sync
 	fi
 }