diff --git a/c_tools/mock/loaders/gadget_loader.cpp b/c_tools/mock/loaders/gadget_loader.cpp
index 804bb40..cdf7541 100644
--- a/c_tools/mock/loaders/gadget_loader.cpp
+++ b/c_tools/mock/loaders/gadget_loader.cpp
@@ -105,6 +105,8 @@ SimulationLoader *gadgetLoader(const std::string& snapshot, double Mpc_unitLengt
   int num_files;
   SimuData *d;
 
+  cout << " File to load is:" << snapshot.c_str() << endl;
+
   try
     {
       d = loadGadgetMulti(snapshot.c_str(), -1, 0);
diff --git a/python_tools/void_python_tools/backend/launchers.py b/python_tools/void_python_tools/backend/launchers.py
index f1b4a76..2bd4a30 100644
--- a/python_tools/void_python_tools/backend/launchers.py
+++ b/python_tools/void_python_tools/backend/launchers.py
@@ -271,7 +271,7 @@ def launchGenerate(sample, binPath, workDir=None, inputDataDir=None,
   if sample.dataType == "observation":
     (boxVol, nbar) = vp.getSurveyProps(sample.maskFile, sample.zRange[0],
      sample.zRange[1], sample.zRange[0], sample.zRange[1], "all", 
-     useLCDM=useComoving)
+     useComoving=useComoving)
   else:
     iX = float(sample.mySubvolume[0])
     iY = float(sample.mySubvolume[1])