diff --git a/src/classes/PRunDataHandler.cpp b/src/classes/PRunDataHandler.cpp
index 5159f182..b2c888b9 100644
--- a/src/classes/PRunDataHandler.cpp
+++ b/src/classes/PRunDataHandler.cpp
@@ -4861,7 +4861,7 @@ Bool_t PRunDataHandler::WriteNexusFile(TString format, TString fln)
         nxs->AddDataset<std::string>("/run/notes", {std::string("n/a")}, {1}, nxH4::H4DataType::CHAR8);
 
         // set analysis
-        nxs->AddDataset<std::string>("/run/notes", {std::string("muonTD")}, {1}, nxH4::H4DataType::CHAR8);
+        nxs->AddDataset<std::string>("/run/analysis", {std::string("muonTD")}, {1}, nxH4::H4DataType::CHAR8);
 
         // set lab
         str = *fData[0].GetLaboratory();
@@ -5235,7 +5235,7 @@ Bool_t PRunDataHandler::WriteNexusFile(TString format, TString fln)
         nxs->AddDataset<std::string>("/run/notes", {std::string("n/a")}, {1}, H5::StrType(H5::PredType::C_S1, H5T_VARIABLE));
 
         // set analysis
-        nxs->AddDataset<std::string>("/run/notes", {std::string("muonTD")}, {1}, H5::StrType(H5::PredType::C_S1, H5T_VARIABLE));
+        nxs->AddDataset<std::string>("/run/analysis", {std::string("muonTD")}, {1}, H5::StrType(H5::PredType::C_S1, H5T_VARIABLE));
 
         // set lab
         str = *fData[0].GetLaboratory();