diff --git a/usr.sbin/camdd/camdd.c b/usr.sbin/camdd/camdd.c
index b3d56c659d1d..caf06ba9a596 100644
--- a/usr.sbin/camdd/camdd.c
+++ b/usr.sbin/camdd/camdd.c
@@ -3226,14 +3226,14 @@ camdd_rw(struct camdd_io_opts *io_opts, int num_io_opts, uint64_t max_io,
 	int error = 0;
 	int i;
 
+	bzero(devs, sizeof(devs));
+
 	if (num_io_opts != 2) {
 		warnx("Must have one input and one output path");
 		error = 1;
 		goto bailout;
 	}
 
-	bzero(devs, sizeof(devs));
-
 	for (i = 0; i < num_io_opts; i++) {
 		switch (io_opts[i].dev_type) {
 		case CAMDD_DEV_PASS: {