diff --git a/c_tools/mock/generateMock.cpp b/c_tools/mock/generateMock.cpp
index dff46d4..c222a7f 100644
--- a/c_tools/mock/generateMock.cpp
+++ b/c_tools/mock/generateMock.cpp
@@ -359,7 +359,7 @@ void saveBox(SimuData *&boxed, const std::string& outbox)
       NcVar *v4 = f.add_var("unique_ids_lsb", ncLong, NumPart_dim);
       NcVar *v5 = f.add_var("unique_ids_msb", ncLong, NumPart_dim);
 
-      nclong *tmp_int = new nclong(boxed->NumPart);
+      nclong *tmp_int = new nclong[boxed->NumPart];
       for (long i = 0; i < boxed->NumPart; i++)
          tmp_int[i] = (nclong)(((unsigned long)uniqueID[i]) & 0xffffffff);
       v4->put(tmp_int, boxed->NumPart);
diff --git a/c_tools/mock/loaders/multidark_loader.cpp b/c_tools/mock/loaders/multidark_loader.cpp
index a30e314..5047a5a 100644
--- a/c_tools/mock/loaders/multidark_loader.cpp
+++ b/c_tools/mock/loaders/multidark_loader.cpp
@@ -53,6 +53,7 @@ public:
     simu->Vel[2] = new float[simu->NumPart];
     simu->Id = new long[simu->NumPart];
     long *uniqueID = new long[simu->NumPart];
+    double tempData;
 
     simu->new_attribute("uniqueID", uniqueID, delete_adaptor<long>);
 
@@ -61,7 +62,7 @@ public:
     for (long i = 0; i < simu->NumPart; i++) {
 
       fp >> simu->Id[i] >> simu->Pos[0][i] >> simu->Pos[1][i]
-	 >> simu->Pos[2][i] >> simu->Vel[2][i];
+	 >> simu->Pos[2][i] >> simu->Vel[2][i] >> tempData >> tempData;
 
       uniqueID[i] = simu->Id[i];