diff --git a/NumericalData/AMDA/MGS/ER/mgs-er-omni.xml b/NumericalData/AMDA/MGS/ER/mgs-er-omni.xml
index 5969ebd..244e86c 100644
--- a/NumericalData/AMDA/MGS/ER/mgs-er-omni.xml
+++ b/NumericalData/AMDA/MGS/ER/mgs-er-omni.xml
@@ -34,7 +34,7 @@
     </TemporalDescription>
     <Parameter>
       <Name>e_flux_spectra</Name>
-      <ParameterKey>e_mgs_omni</ParameterKey>
+      <ParameterKey>mgs_er_omni</ParameterKey>
       <Units>cm-2 s-1 ster-1 eV-1</Units>
       <RenderingHints>
         <DisplayType>Spectrogram</DisplayType>
--
libgit2 0.21.2