diff --git a/sys/opencrypto/ktls_ocf.c b/sys/opencrypto/ktls_ocf.c
--- a/sys/opencrypto/ktls_ocf.c
+++ b/sys/opencrypto/ktls_ocf.c
@@ -574,7 +574,7 @@
 	if (!inplace) {
 		/* Duplicate the output iov to append the trailer. */
 		memcpy(out_iov, outiov, outiovcnt * sizeof(*out_iov));
-		out_iov[outiovcnt] = iov[outiovcnt];
+		out_iov[outiovcnt] = iov[iniovcnt];
 
 		out_uio.uio_iov = out_iov;
 		out_uio.uio_iovcnt = outiovcnt + 1;