diff --git a/firmware/lib/vboot_display.c b/firmware/lib/vboot_display.c
index 669c4e8..6e0c93a 100644
--- a/firmware/lib/vboot_display.c
+++ b/firmware/lib/vboot_display.c
@@ -239,11 +239,11 @@
 				ret = VbExDisplaySetDimension(
 						image_info.width,
 						image_info.height);
-				if (!ret) {
+				if (ret) {
 					VBDEBUG(("VbExDisplaySetDimension"
-						 "(%d,%d): failed.\n",
+						 "(%d,%d): failed (%#x).\n",
 						 image_info.width,
-						 image_info.height));
+						 image_info.height, ret));
 				}
 			}