diff --git a/expat/tests/runtests.c b/expat/tests/runtests.c
index 5922cc3e..d681cd77 100644
--- a/expat/tests/runtests.c
+++ b/expat/tests/runtests.c
@@ -1938,6 +1938,7 @@ external_entity_suspender(XML_Parser parser,
         xml_failure(ext_parser);
         return XML_STATUS_ERROR;
     }
+    XML_ParserFree(ext_parser);
     return XML_STATUS_OK;
 }