diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/OIDUtils.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/OIDUtils.java
index 347208053..03b0c86df 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/OIDUtils.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/OIDUtils.java
@@ -49,7 +49,7 @@ public class OIDUtils {
 		if (r.equals("2.16.840.1.113883.6.103"))
 			return "http://hl7.org/fhir/sid/icd-9"; //todo: confirm this		
 		if (r.equals("2.16.840.1.113883.6.73"))
-			return "http://hl7.org/fhir/sid/atc";
+			return "http://www.whocc.no/atc";
 		if (r.equals("2.16.840.1.113883.3.26.1.1"))
 			return "http://ncimeta.nci.nih.gov";
 		if (r.equals("2.16.840.1.113883.3.26.1.1.1"))