Filter is showing expression not the Label

[subhasis]

Hi 
I have a dimension of a bar chart contains expression. And the dimension has a label.  The chart displays properly. But when I click on one of the bar, the expression gets displayed in the top rather label. 
I tried adding the dimension in the master and refer that in the chart, still no luck. 

Can someone help me on this and let me know if i miss something.  

[joaopaulo_delco]

Hi @subhasis 

This is the standard behavior of Qlik. Even if you create a new master item with another label, the filter shows the original name of field.