diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 26659779..8a52ab03 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -165,6 +165,8 @@ main(int argc, char *argv[])
 static void
 reset_global_state(void)
 {
+	errno = 0;
+
 	mac = NULL;
 	invert = 0;
 	part_modified[0] = 0;