diff --git a/graphs/topsar_export_mergeIW_subset_extDEM.xml b/graphs/topsar_export_mergeIW_subset_extDEM.xml
index 346f3d7..91bc2f0 100644
--- a/graphs/topsar_export_mergeIW_subset_extDEM.xml
+++ b/graphs/topsar_export_mergeIW_subset_extDEM.xml
@@ -26,7 +26,7 @@
     <parameters class="com.bc.ceres.binding.dom.XppDomElement">
       <orbitDegree>3</orbitDegree>
       <demName>External DEM</demName>
-      <externalDEMFile>EXTERNALDEM<externalDEMFile>
+      <externalDEMFile>EXTERNALDEM</externalDEMFile>
       <externalDEMNoDataValue>0.0</externalDEMNoDataValue>
       <tileExtensionPercent>100</tileExtensionPercent>
       <outputTopoPhaseBand>true</outputTopoPhaseBand>