diff --git a/src/test/subscription/t/100_bugs.pl b/src/test/subscription/t/100_bugs.pl
index cbdb30a8bb9..a6963476802 100644
--- a/src/test/subscription/t/100_bugs.pl
+++ b/src/test/subscription/t/100_bugs.pl
@@ -51,7 +51,7 @@ $node_publisher->safe_psql('postgres',
 	"CREATE PUBLICATION pub1 FOR ALL TABLES");
 
 $node_subscriber->safe_psql('postgres',
-	"CREATE SUBSCRIPTION sub1 CONNECTION '$publisher_connstr application_name=sub1' PUBLICATION pub1");
+	"CREATE SUBSCRIPTION sub1 CONNECTION '$publisher_connstr' PUBLICATION pub1");
 
 $node_publisher->wait_for_catchup('sub1');