Fix #37

[Reepca]

trafficstars

This is the proposed fix in #37.

[aconchillo]

Thanks! This one won't probably make it to 1.1.0. I believe it makes sense but I'd like to take a closer look.

[emixa-d]

A test case is missing, to aid with verifying whether the change works, to avoid regressions later, and to assist with verifying future changes in this area of the code.