Cannot use same analysis tool twice

The short verison: When I have two analyzers that output the same name, only one of it is shown in the result section.

The longer version: I have a complicated toolchain, including dev and eval sets. In total, I have three analyzers, one computing EER and HTER from both sets, and an ROC curve generator for each of the sets. In my experiment, I use the simple algorithm to plot the ROC curves for both the dev and eval set. I expected two plots. However, since the output of the ROC algorithm is called "ROC" and there is no way to change this name in the toolchain, I get only one ROC curve displayed (I guess the one that was produced first). See: https://www.beat-eu.org/platform/experiments/siebenkopf/FaceRec-NoTraining/1/PhaseDiffPlusCanberra_TT_Banca_P8/ if you can.