diff --git a/tools/mkimage.c b/tools/mkimage.c
index f71f8e732..5c3e87290 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -37,6 +37,7 @@ struct mkimage_params params = {
 	.type = IH_TYPE_KERNEL,
 	.comp = IH_COMP_GZIP,
 	.dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
+	.imagename = "",
 };
 
 /*