input tag not closed

the input tag is not being closed.  how do i think fix this?

my orbeon version is 3.8.0.201005141856

example:

xforms

<xforms:input id="testId" ref="instance('budgetWorksheet-instance')/finalBudget/">
   <xforms:label/>
</xforms:input>

generated html

<label class="xforms-label" id="testId$$l" for="testId$xforms-input-1"></label>
<span id="testId" class="xforms-control xforms-input">
<input id="testId$xforms-input-1" type="text" name="testId$xforms-input-1" value="" class="xforms-input-input">
</span>