diff --git a/apps/app_while.c b/apps/app_while.c
index 736038ecd8..1cd7834694 100644
--- a/apps/app_while.c
+++ b/apps/app_while.c
@@ -275,8 +275,8 @@ static int _while_exec(struct ast_channel *chan, void *data, int end)
 		pbx_builtin_setvar_helper(chan, my_name, NULL);
         snprintf(end_varname,VAR_SIZE,"END_%s",varname);
 		if ((goto_str=pbx_builtin_getvar_helper(chan, end_varname))) {
-			pbx_builtin_setvar_helper(chan, end_varname, NULL);
 			ast_parseable_goto(chan, goto_str);
+			pbx_builtin_setvar_helper(chan, end_varname, NULL);
 		} else {
 			int pri = find_matching_endwhile(chan);
 			if (pri > 0) {
diff --git a/channel.c b/channel.c
index 4779bf8d90..2a22bed3ca 100644
--- a/channel.c
+++ b/channel.c
@@ -1958,9 +1958,10 @@ struct ast_frame *ast_read(struct ast_channel *chan)
 #ifndef MONITOR_CONSTANT_DELAY
 				int jump = chan->outsmpl - chan->insmpl - 4 * f->samples;
 				if (jump >= 0) {
-					if (ast_seekstream(chan->monitor->read_stream, jump + f->samples, SEEK_FORCECUR) == -1)
+					jump = chan->outsmpl - chan->insmpl;
+					if (ast_seekstream(chan->monitor->read_stream, jump, SEEK_FORCECUR) == -1)
 						ast_log(LOG_WARNING, "Failed to perform seek in monitoring read stream, synchronization between the files may be broken\n");
-					chan->insmpl += jump + 4 * f->samples;
+					chan->insmpl += jump + f->samples;
 				} else
 					chan->insmpl+= f->samples;
 #else
@@ -2313,9 +2314,10 @@ int ast_write(struct ast_channel *chan, struct ast_frame *fr)
 #ifndef MONITOR_CONSTANT_DELAY
 					int jump = chan->insmpl - chan->outsmpl - 4 * f->samples;
 					if (jump >= 0) {
-						if (ast_seekstream(chan->monitor->write_stream, jump + f->samples, SEEK_FORCECUR) == -1)
+						jump = chan->insmpl - chan->outsmpl;
+						if (ast_seekstream(chan->monitor->write_stream, jump, SEEK_FORCECUR) == -1)
 							ast_log(LOG_WARNING, "Failed to perform seek in monitoring write stream, synchronization between the files may be broken\n");
-						chan->outsmpl += jump + 4 * f->samples;
+						chan->outsmpl += jump + f->samples;
 					} else
 						chan->outsmpl += f->samples;
 #else