diff --git a/NEWS b/NEWS
index 519b0ccaf053..bfdbe1225c87 100644
--- a/NEWS
+++ b/NEWS
@@ -56,6 +56,10 @@ PHP                                                                        NEWS
   . Fixed a leak when a persistent connection failed a liveness check
     with no other live PDO handle. (iliaal)
 
+- PDO_PGSQL:
+  . Fixed PDO::CURSOR_SCROLL statements closing a cursor that was never
+    declared. (KentarouTakeda)
+
 - Phar:
   . Fixed bug GH-23418 (Use-after-free when looking up mounted directories).
     (Weilin Du)
diff --git a/ext/pdo_pgsql/pgsql_statement.c b/ext/pdo_pgsql/pgsql_statement.c
index 8f3dd5237b5a..0894faa401f2 100644
--- a/ext/pdo_pgsql/pgsql_statement.c
+++ b/ext/pdo_pgsql/pgsql_statement.c
@@ -114,7 +114,7 @@ static int pgsql_stmt_dtor(pdo_stmt_t *stmt)
 	}
 
 	if (S->cursor_name) {
-		if (server_obj_usable) {
+		if (S->is_prepared && server_obj_usable) {
 			pdo_pgsql_db_handle *H = S->H;
 			char *q = NULL;
 			PGresult *res;
diff --git a/ext/pdo_pgsql/tests/cursor_scroll_without_declare.phpt b/ext/pdo_pgsql/tests/cursor_scroll_without_declare.phpt
new file mode 100644
index 000000000000..69a8e8add609
--- /dev/null
+++ b/ext/pdo_pgsql/tests/cursor_scroll_without_declare.phpt
@@ -0,0 +1,30 @@
+--TEST--
+PDO PgSQL PDO::CURSOR_SCROLL sends no CLOSE for a cursor it never declared
+--EXTENSIONS--
+pdo_pgsql
+--SKIPIF--
+<?php
+require __DIR__ . '/config.inc';
+require dirname(__DIR__, 2) . '/pdo/tests/pdo_test.inc';
+PDOTest::skip();
+?>
+--FILE--
+<?php
+
+require_once __DIR__ . "/config.inc";
+
+/** @var Pdo */
+$db =  Pdo::connect($config['ENV']['PDOTEST_DSN']);
+
+$db->beginTransaction();
+
+$stmt = $db->prepare('SELECT 1', [PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL]);
+unset($stmt);
+
+$db->exec('SELECT 2');
+
+echo 'Done';
+
+?>
+--EXPECT--
+Done