Query with multiple inner joins results in NullPointerException

SELECT * from [nt:myfirstnodetype] as myfirstnodetypes 
INNER JOIN [nt:mysecondnodetype] as mysecondnodetypes 
        ON ISDESCENDANTNODE(myfirstnodetypes, mysecondnodetypes) 
INNER JOIN [nt:mythirdnodetype] as mythirdnodetypes 
        ON ISDESCENDANTNODE (mysecondnodetypes, mythirdnodetypes) 
WHERE 
        ( ISDESCENDANTNODE( mythirdnodetypes, '/some/path') OR 
myfirstnodetypes.active = true) 

java.lang.NullPointerException
	at org.modeshape.graph.query.process.SelectComponent$5.satisfiesConstraints(SelectComponent.java:299)
	at org.modeshape.graph.query.process.SelectComponent$1.satisfiesConstraints(SelectComponent.java:251)
	at org.modeshape.graph.query.process.SelectComponent.execute(SelectComponent.java:124)
	at org.modeshape.graph.query.process.ProjectComponent.execute(ProjectComponent.java:48)
	at org.modeshape.graph.query.process.QueryProcessor.execute(QueryProcessor.java:100)
	at org.modeshape.graph.query.QueryEngine.execute(QueryEngine.java:111)
	at org.modeshape.jcr.RepositoryQueryManager$SelfContained.query(RepositoryQueryManager.java:399)
	at org.modeshape.jcr.JcrQueryManager$SessionQueryContext.execute(JcrQueryManager.java:1426)
	at org.modeshape.jcr.query.JcrQuery.execute(JcrQuery.java:103)