diff --git a/src/xsdata.cpp b/src/xsdata.cpp
index c39d779ec4..d4698e2a08 100644
--- a/src/xsdata.cpp
+++ b/src/xsdata.cpp
@@ -93,7 +93,7 @@ XsData::from_hdf5(hid_t xsdata_grp, bool fissionable, AngleDistributionType scat
     fission_from_hdf5(xsdata_grp, n_ang, is_isotropic);
   }
   // Get the non-fission-specific data
-  read_nd_vector(xsdata_grp, "decay rate", decay_rate);
+  read_nd_vector(xsdata_grp, "decay-rate", decay_rate);
   read_nd_vector(xsdata_grp, "absorption", absorption, true);
   read_nd_vector(xsdata_grp, "inverse-velocity", inverse_velocity);