diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/PackageHackerR5.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/PackageHackerR5.java
index 356e37344..a11fab7a7 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/PackageHackerR5.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/PackageHackerR5.java
@@ -2,6 +2,8 @@ package org.hl7.fhir.r5.utils;
 
 import org.hl7.fhir.r5.context.CanonicalResourceManager.CanonicalResourceProxy;
 import org.hl7.fhir.r5.context.IWorkerContext.PackageVersion;
+import org.hl7.fhir.r5.model.ElementDefinition;
+import org.hl7.fhir.r5.model.StructureDefinition;
 
 public class PackageHackerR5 {
 
@@ -32,9 +34,23 @@ public class PackageHackerR5 {
      r.hack("http://terminology.hl7.org/CodeSystem/v2-0360-2.3.1", "2.3.1");
    }
 
+   if ("http://hl7.org/fhir/StructureDefinition/DeviceUseStatement".equals(r.getUrl()) && "4.0.1".equals(r.getVersion())) {
+     StructureDefinition sd = (StructureDefinition) r.getResource();
+     for (ElementDefinition ed : sd.getSnapshot().getElement()) {
+       if (ed.hasRequirements()) {
+         ed.setRequirements(ed.getRequirements().replace("[http://hl7.org/fhir/StructureDefinition/bodySite](null.html)", "[http://hl7.org/fhir/StructureDefinition/bodySite](http://hl7.org/fhir/extension-bodysite.html)"));
+       }
+     }
+     for (ElementDefinition ed : sd.getDifferential().getElement()) {
+       if (ed.hasRequirements()) {
+         ed.setRequirements(ed.getRequirements().replace("[http://hl7.org/fhir/StructureDefinition/bodySite](null.html)", "[http://hl7.org/fhir/StructureDefinition/bodySite](http://hl7.org/fhir/extension-bodysite.html)"));
+       }
+     }
+   }
    if (r.hasUrl() && r.getUrl().contains("|")) {
      assert false;
    }
+   
   }
 
 }