--- 1/main/translate.c	2020-04-30 07:35:27.654717696 +0200
+++ 2/main/translate.c	2020-04-30 07:28:28.247869906 +0200
@@ -595,8 +595,12 @@
 				   most recent time on the new packet.  If we have a
 				   valid prediction adjust our output time appropriately */
 				if (!ast_tvzero(path->nextout)) {
-					path->nextout = ast_tvadd(path->nextout,
+					if (f->delivery.tv_sec > path->nextin.tv_sec && f->delivery.tv_usec > path->nextin.tv_usec) {
+						path->nextout = ast_tvadd(path->nextout,
 								  ast_tvsub(f->delivery, path->nextin));
+					}else{
+						path->nextout = f->delivery;
+					}
 				}
 				path->nextin = f->delivery;
 			}