diff -aruN a/nandtest.c b/nandtest.c
--- a/nandtest.c	2016-11-16 17:14:33.086196030 -0800
+++ b/nandtest.c	2016-11-16 17:16:03.575351493 -0800
@@ -109,7 +109,7 @@
 	}
 	if (newstats.failed > oldstats.failed) {
 		printf("\nECC failed at %08x\n", (unsigned) ofs);
-		oldstats.corrected = newstats.corrected;
+		oldstats.failed = newstats.failed;
 	}
 	if (len < meminfo.erasesize)
 		exit(1);