--- a/tests/regression
+++ b/tests/regression
@@ -994,7 +994,8 @@ function tail_log() {
 	local pid=$2
 
 	# dump the output
-	tail -n +0 --pid=$pid -f $log
+	wait $pid
+	cat $log
 
 	# accumulate the stats
 	local stats=$(echo $log | sed 's/\.log$/.stats/')