diff --git a/expected/hypopg.out b/expected/hypopg.out
index 90121d0..859260b 100644
--- a/expected/hypopg.out
+++ b/expected/hypopg.out
@@ -11,7 +11,8 @@ BEGIN
 END;
 $_$
 LANGUAGE plpgsql;
-CREATE EXTENSION hypopg;
+CREATE EXTENSION IF NOT EXISTS hypopg;
+NOTICE:  extension "hypopg" already exists, skipping
 CREATE TABLE hypo (id integer, val text, "Id2" bigint);
 INSERT INTO hypo SELECT i, 'line ' || i
 FROM generate_series(1,100000) f(i);
diff --git a/test/sql/hypopg.sql b/test/sql/hypopg.sql
index 99722b0..8d6bacb 100644
--- a/test/sql/hypopg.sql
+++ b/test/sql/hypopg.sql
@@ -12,7 +12,7 @@ END;
 $_$
 LANGUAGE plpgsql;

-CREATE EXTENSION hypopg;
+CREATE EXTENSION IF NOT EXISTS hypopg;

 CREATE TABLE hypo (id integer, val text, "Id2" bigint);