diff --git a/c_tools/mock/generateFromCatalog.cpp b/c_tools/mock/generateFromCatalog.cpp
index febc6d3..f0816b0 100644
--- a/c_tools/mock/generateFromCatalog.cpp
+++ b/c_tools/mock/generateFromCatalog.cpp
@@ -451,6 +451,19 @@ if (i < 10) printf("TEST WRITE %d %e\n", (pdata.pos[i].xyz[j]+Lmax)/(2*Lmax));
   //v2->put(expansion_fac, pdata.pos.size());
 
   //delete[] expansion_fac;
+
+  FILE *infoFile = fopen("sample_info.txt", "w");
+  fprintf(infoFile, "x_min = %f\n", -Lmax/100.);  
+  fprintf(infoFile, "x_max = %f\n", Lmax/100.);
+  fprintf(infoFile, "y_min = %f\n", -Lmax/100.);  
+  fprintf(infoFile, "y_max = %f\n", Lmax/100.);  
+  fprintf(infoFile, "z_min = %f\n", -Lmax/100.);
+  fprintf(infoFile, "z_max = %f\n", Lmax/100.);
+  fprintf(infoFile, "mask_index = %d\n", pdata.mask_index);
+  fprintf(infoFile, "total_particles = %d\n", pdata.pos.size());
+  fclose(infoFile);
+
+
 }
 
 int main(int argc, char **argv)
@@ -517,12 +530,6 @@ int main(int argc, char **argv)
   fprintf(fp, "%d", output_data.mask_index);
   fclose(fp);
 
-  fp = fopen("sample_info.txt", "w");
-  fprintf(fp, "Lmax = %f\n", output_data.Lmax);
-  fprintf(fp, "mask_index = %d\n", output_data.mask_index);
-  fprintf(fp, "total_particles = %d\n", output_data.pos.size());
-  fclose(fp);
-
   fp = fopen("total_particles.txt", "w");
   fprintf(fp, "%d", output_data.pos.size());
   fclose(fp);
diff --git a/c_tools/mock/generateMock.cpp b/c_tools/mock/generateMock.cpp
index bfdf82f..dcf1acb 100644
--- a/c_tools/mock/generateMock.cpp
+++ b/c_tools/mock/generateMock.cpp
@@ -360,6 +360,7 @@ void generateOutput(SimuData *data, int axis,
       f.writeReal32(data->Pos[x2][i]);
     }
   f.endCheckpoint();
+
 }
 
 void makeBox(SimuData *simu, double *efac, SimuData *&boxed, generateMock_info& args_info)
@@ -466,6 +467,18 @@ void makeBox(SimuData *simu, double *efac, SimuData *&boxed, generateMock_info&
 
   delete[] particle_id;
   delete[] expansion_fac;
+
+
+  FILE *fp = fopen("sample_info.txt", "w");
+  fprintf(fp, "x_min = %f\n", ranges[0][0]);
+  fprintf(fp, "x_max = %f\n", ranges[0][1]);
+  fprintf(fp, "y_min = %f\n", ranges[1][0]);
+  fprintf(fp, "y_max = %f\n", ranges[1][1]);
+  fprintf(fp, "z_min = %f\n", ranges[2][0]);
+  fprintf(fp, "z_max = %f\n", ranges[2][1]);
+  fprintf(fp, "mask_index = -1\n");
+  fprintf(fp, "total_particles = %d\n", boxed->NumPart);
+  fclose(fp);
 }
 
 void makeBoxFromParameter(SimuData *simu, double *efac, SimuData* &boxed, generateMock_info& args_info)
diff --git a/python_tools/void_python_tools/backend/launchers.py b/python_tools/void_python_tools/backend/launchers.py
index b8cb57f..2686c5b 100755
--- a/python_tools/void_python_tools/backend/launchers.py
+++ b/python_tools/void_python_tools/backend/launchers.py
@@ -160,6 +160,7 @@ def launchGenerate(sample, binPath, workDir=None, inputDataDir=None,
 
     if os.access("comoving_distance.txt", os.F_OK):
       os.system("mv %s %s" % ("comoving_distance.txt", zobovDir))
+      os.system("mv %s %s" % ("sample_info.txt", zobovDir))
 
     if os.access(parmFile, os.F_OK):
       os.unlink(parmFile)