diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/cache/NpmPackage.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/cache/NpmPackage.java
index 8243a068e..de7ca2d2b 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/cache/NpmPackage.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/cache/NpmPackage.java
@@ -576,6 +576,9 @@ public class NpmPackage {
 
   public boolean hasFile(String folder, String file) throws IOException {
     NpmPackageFolder f = folders.get(folder);
+    if (f == null) {
+      f = folders.get(Utilities.path("package", folder));
+    }
     return f != null && f.hasFile(file);
   }