diff --git a/xios_examples/vertical_stratify_pressure/main.xml b/xios_examples/vertical_stratify_pressure/main.xml
index 9f25bb8..5fdb41d 100644
--- a/xios_examples/vertical_stratify_pressure/main.xml
+++ b/xios_examples/vertical_stratify_pressure/main.xml
@@ -1,4 +1,4 @@
-<context id="resample">
+<context id="main">
 
   <calendar type="Gregorian"/>
 
diff --git a/xios_examples/vertical_stratify_pressure/xios.xml b/xios_examples/vertical_stratify_pressure/xios.xml
index 9ec1df0..4d8f14c 100644
--- a/xios_examples/vertical_stratify_pressure/xios.xml
+++ b/xios_examples/vertical_stratify_pressure/xios.xml
@@ -1,4 +1,4 @@
-<context>
+<context id="xios">
   <variable_definition>
     <variable_group id="buffer">
       <variable id="optimal_buffer_size" type="string">