diff --git a/detector-model/src/main/java/org/lcsim/geometry/compact/converter/HPSTracker2019GeometryDefinition.java b/detector-model/src/main/java/org/lcsim/geometry/compact/converter/HPSTracker2019GeometryDefinition.java
index 32d1afa07..5b9278f89 100644
--- a/detector-model/src/main/java/org/lcsim/geometry/compact/converter/HPSTracker2019GeometryDefinition.java
+++ b/detector-model/src/main/java/org/lcsim/geometry/compact/converter/HPSTracker2019GeometryDefinition.java
@@ -65,7 +65,7 @@ public void build() {
         
         //System.out.println("PF::Constructed TrackingVolume: " +  tracking.toString());
         
-        PSVacuumChamber chamber = new PSVacuumChamber("c_hamber", tracking, null);
+        PSVacuumChamber chamber = new PSVacuumChamber("chamber", tracking, null);
         surveyVolumes.add(chamber);
 
         //System.out.println("PF::Constructed PSVacuumChamber: " +  chamber.toString());