diff --git a/c_tools/mock/loaders/multidark_loader.cpp b/c_tools/mock/loaders/multidark_loader.cpp
index 9509c64..c13caeb 100644
--- a/c_tools/mock/loaders/multidark_loader.cpp
+++ b/c_tools/mock/loaders/multidark_loader.cpp
@@ -63,8 +63,7 @@ public:
       fp >> simu->Id[i] >> simu->Pos[0][i] >> simu->Pos[1][i]
 	 >> simu->Pos[2][i] >> simu->Vel[2][i];
 
-      uniqueID[i] = 1;
-      //uniqueID[i] = 1 * simu->Id[i];
+      uniqueID[i] = simu->Id[i];
 
       if (simu->Id[i] == -99 && 
           simu->Pos[0][i] == -99 && simu->Pos[1][i] == -99 && 
diff --git a/pipeline/pipeline_source/prepareCatalogs.in.py b/pipeline/pipeline_source/prepareCatalogs.in.py
index e1daea4..ca300bc 100755
--- a/pipeline/pipeline_source/prepareCatalogs.in.py
+++ b/pipeline/pipeline_source/prepareCatalogs.in.py
@@ -327,13 +327,12 @@ if (args.script or args.all) and dataFormat == "multidark":
 
     minRadius = 2*int(np.ceil(lbox/numPart**(1./3.)))
   
-    if dataFormat == "multidark":
-      setName = prefix+"halos_min"+str(minHaloMass)
-      writeScript(setName, "md.halos_min"+str(minHaloMass)+"_z", 
+    setName = prefix+"halos_min"+str(minHaloMass)
+    writeScript(setName, prefix+"halos_min"+str(minHaloMass)+"_z", 
                 scriptDir, catalogDir, fileNums, 
                 redshifts, 
                 numSubvolumes, numSlices, False, lbox, minRadius, omegaM)
-      writeScript(setName, "md.halos_min"+str(minHaloMass)+"_z", 
+    writeScript(setName, prefix+"halos_min"+str(minHaloMass)+"_z", 
                 scriptDir, catalogDir, fileNums, 
                 redshifts, 
                 numSubvolumes, numSlices, True, lbox, minRadius, omegaM)
@@ -356,7 +355,7 @@ if args.halos or args.all:
           numPart += 1
       inFile.close()
 
-      sampleName = "md.halos_min"+str(minHaloMass)+"_z"+redshift
+      sampleName = prefix+"halos_min"+str(minHaloMass)+"_z"+redshift
       outFile = open(catalogDir+"/"+sampleName+".dat", 'w')
 
       outFile.write("%f\n" %(lbox))