diff --git a/src/classes/PRunDataHandler.cpp b/src/classes/PRunDataHandler.cpp
index f2c2559d..df820d00 100644
--- a/src/classes/PRunDataHandler.cpp
+++ b/src/classes/PRunDataHandler.cpp
@@ -5165,22 +5165,24 @@ Bool_t PRunDataHandler::WriteNexusFile(TString format, TString fln)
           size = dataCount;
         }
         nxs->AddDataset<int>("/raw_data_1/instrument/detector_1/counts", data, {(long unsigned int)noHisto, size}, H5::PredType::NATIVE_INT32);
-        nxs->AddDatasetAttribute<int>("/raw_data_1/instrument/detector_1/counts", "axis", std::string("spectrum_index,time_bin"));
+        nxs->AddDatasetAttribute<int>("/raw_data_1/instrument/detector_1/counts", "axes", std::string("spectrum_index,time_bin"));
         nxs->AddDatasetAttribute<int>("/raw_data_1/instrument/detector_1/counts", "long_name", std::string("positon counts"));
         nxs->AddDatasetAttribute<int>("/raw_data_1/instrument/detector_1/counts", "signal", 1);
         // t0_bin attributes
         std::vector<int> t0_bin;
         for (unsigned int i=0; i<fData[0].GetNoOfHistos(); i++)
           t0_bin.push_back((int)(fData[0].GetT0Bin(i+1)/fAny2ManyInfo->rebin));
-std::cerr << std::endl;
-for (unsigned int i=0; i<fData[0].GetNoOfHistos(); i++)
-std::cerr << i << ": " << t0_bin[i] << ", ";
-std::cerr << std::endl;
         nxs->AddDatasetAttribute<int>("/raw_data_1/instrument/detector_1/counts", "t0_bin", {t0_bin});
         nxs->AddDatasetAttribute<int>("/raw_data_1/instrument/detector_1/counts", "units", std::string("counts"));
 
         // set raw_data_1/detector info
         nxs->AddGroupAttribute("/raw_data_1/detector_1", "NX_class", std::string("NXdata"));
+
+        // set detector/counts
+        nxs->AddDataset<int>("/raw_data_1/detector_1/counts", data, {(long unsigned int)noHisto, size}, H5::PredType::NATIVE_INT32);
+        nxs->AddDatasetAttribute<int>("/raw_data_1/detector_1/counts", "axes", std::string("spectrum_index,time_bin"));
+        nxs->AddDatasetAttribute<int>("/raw_data_1/detector_1/counts", "long_name", std::string("positon counts"));
+        nxs->AddDatasetAttribute<int>("/raw_data_1/detector_1/counts", "signal", 1);
       }
 
       int result = nxs->WriteNexusFile(fln.Data(), fAny2ManyInfo->idf);