Count filter doesn't work if the query statement starts with whitespace

{{velocity}}
#set($query = $services.query.xwql('from doc.object(Space.MyClass) as obj'))
$query.addFilter('count').execute()
{{/velocity}}

Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'execute' in  class org.xwiki.query.internal.ScriptQuery threw exception org.xwiki.query.QueryException: Exception while execute query. Query statement = [ select doc.fullName from XWikiDocument as doc , BaseObject as obj WHERE 1=1  and doc.fullName=obj.name and obj.className='Space.MyClass' ] at xwiki:Sandbox.FF[line 2, column 27]
	at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:243)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:187)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:228)
	... 112 more
Caused by: org.xwiki.query.QueryException: Exception while execute query. Query statement = [ select doc.fullName from XWikiDocument as doc , BaseObject as obj WHERE 1=1  and doc.fullName=obj.name and obj.className='Space.MyClass' ]
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:115)
	at org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:68)
	at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:248)
	at org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:97)
	at org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:68)
	at org.xwiki.query.internal.SecureQueryExecutorManager.execute(SecureQueryExecutorManager.java:90)
	at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:248)
	at org.xwiki.query.internal.ScriptQuery.execute(ScriptQuery.java:236)
	at sun.reflect.GeneratedMethodAccessor310.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	... 116 more
Caused by: com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception while hibernate execute
Wrapped Exception: unexpected token: rom near line 1, column 28 [select count(doc.fullName) rom XWikiDocument as doc , BaseObject as obj WHERE 1=1  and doc.fullName=obj.name and obj.className='Space.MyClass']
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1227)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1288)
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:96)
	... 129 more
Caused by: org.hibernate.hql.ast.QuerySyntaxException: unexpected token: rom near line 1, column 28 [select count(doc.fullName) rom XWikiDocument as doc , BaseObject as obj WHERE 1=1  and doc.fullName=obj.name and obj.className='Space.MyClass']
	at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:54)
	at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:47)
	at org.hibernate.hql.ast.ErrorCounter.throwQueryException(ErrorCounter.java:82)
	at org.hibernate.hql.ast.QueryTranslatorImpl.parse(QueryTranslatorImpl.java:286)
	at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:184)
	at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:138)
	at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
	at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
	at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:124)
	at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
	at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
	at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1770)
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.createHibernateQuery(HqlQueryExecutor.java:162)
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor$1.doInHibernate(HqlQueryExecutor.java:102)
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor$1.doInHibernate(HqlQueryExecutor.java:97)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1221)
	... 131 more