diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/NpmPackageIndexBuilder.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/NpmPackageIndexBuilder.java
index f23dc61f2..9b8172192 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/NpmPackageIndexBuilder.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/NpmPackageIndexBuilder.java
@@ -101,7 +101,7 @@ public class NpmPackageIndexBuilder {
             fi.add("valueSet", json.asString("valueSet"));
           }
           if (json.hasPrimitive("derivation")) {
-            fi.add("valueSet", json.asString("derivation"));
+            fi.add("derivation", json.asString("derivation"));
           }
           if (psql != null) {
             psql.setString(1, name); // FileName);