diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 0131bfdd91..57c2f4848b 100644
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -1253,6 +1253,8 @@ pg_SSPI_recvauth(Port *port)
 				(errmsg_internal("could not get user token: error code %lu",
 								 GetLastError())));
 
+	CloseHandle(token);
+
 	if (!LookupAccountSid(NULL, tokenuser->User.Sid, accountname, &accountnamesize,
 						  domainname, &domainnamesize, &accountnameuse))
 		ereport(ERROR,