Call block with missing inputs when using auto-complete in App Inventor 2

I defined a procedure taking 3 inputs in App Inventor 2. How comes when I create a call block for that procedure using auto-complete the created block has no input?

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From my understanding the block should be instead (which is the case when I drag the procedure from the procedure drawer):

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Solution

It turned out to be a bug. Bug report: https://code.google.com/p/app-inventor-for-android/issues/detail?id=2853