diff --git a/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/engine/JavaCoreGenerator.java b/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/engine/JavaCoreGenerator.java
index 7c5d0f9ec..3ab1d3f1d 100644
--- a/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/engine/JavaCoreGenerator.java
+++ b/org.hl7.fhir.core.generator/src/org/hl7/fhir/core/generator/engine/JavaCoreGenerator.java
@@ -73,7 +73,7 @@ public class JavaCoreGenerator {
     Date ddate = new Date();
     String date = config.DATE_FORMAT().format(ddate);
     
-    FilesystemPackageCacheManager pcm = new org.hl7.fhir.utilities.npm.FilesystemPackageCacheManager.FilesystemPackageCacheManagerBuilder().build();
+    FilesystemPackageCacheManager pcm = new org.hl7.fhir.utilities.npm.FilesystemPackageCacheManager.Builder().build();
     System.out.println("Cache: "+pcm.getFolder());
     System.out.println("Load hl7.fhir."+pid+".core");
     NpmPackage npm = pcm.loadPackage("hl7.fhir."+pid+".core", version);