diff --git a/python_tools/void_python_tools/backend/launchers.py b/python_tools/void_python_tools/backend/launchers.py
index ee5e9a3..7dda879 100644
--- a/python_tools/void_python_tools/backend/launchers.py
+++ b/python_tools/void_python_tools/backend/launchers.py
@@ -327,7 +327,7 @@ def launchPrune(sample, binPath,
     #  periodicLine += "z"
     #periodicLine += "' "
 
-  periodicLine = " --periodic='" + getPeriodic + "'"
+  periodicLine = " --periodic='" + getPeriodic(sample) + "'"
 
   if not (continueRun and (jobSuccessful(logFile, "NetCDF: Not a valid ID\n") \
           or jobSuccessful(logFile, "Done!\n"))):
@@ -395,7 +395,9 @@ def launchVoidOverlap(sample1, sample2, sample1Dir, sample2Dir,
     cmd += " --infoFile1=" + sample1Dir+"/zobov_slice_" + \
            str(sampleName1)+".par"
     cmd += " --centerFile1=" + sample1Dir + \
-           "/untrimmed_centers_"+thisDataPortion+"_"+str(sampleName1)+".out"
+           "/barycenters_"+thisDataPortion+"_"+str(sampleName1)+".out"
+    cmd += " --shapeFile1=" + sample1Dir + \
+           "/shapes_"+thisDataPortion+"_"+str(sampleName1)+".out"
     cmd += " --zoneFile1=" + sample1Dir+"/voidZone_" + \
            str(sampleName1)+".dat"
     cmd += " --zonePartFile1=" + sample1Dir+"/voidPart_" + \
@@ -410,7 +412,9 @@ def launchVoidOverlap(sample1, sample2, sample1Dir, sample2Dir,
     cmd += " --infoFile2=" + sample2Dir+"/zobov_slice_" + \
            str(sampleName2)+".par"
     cmd += " --centerFile2=" + sample2Dir + \
-           "/untrimmed_centers_"+thisDataPortion+"_"+str(sampleName2)+".out"
+           "/untrimmed_barycenters_"+thisDataPortion+"_"+str(sampleName2)+".out"
+    cmd += " --shapeFile2=" + sample1Dir + \
+           "/untrimmed_shapes_"+thisDataPortion+"_"+str(sampleName1)+".out"
     cmd += " --zoneFile2=" + sample2Dir+"/voidZone_" + \
            str(sampleName2)+".dat"
     cmd += " --zonePartFile2=" + sample2Dir+"/voidPart_" + \