diff --git a/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/context/VersionConvertorContext.java b/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/context/VersionConvertorContext.java
index dc6166e73..6d66422fb 100644
--- a/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/context/VersionConvertorContext.java
+++ b/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/context/VersionConvertorContext.java
@@ -126,7 +126,9 @@ public class VersionConvertorContext<T> {
    */
   public T getVersionConvertor() {
     T result = threadLocalVersionConverter.get();
-    logger.debug(result.toString());
+    if (result != null && logger != null) {
+      logger.debug(result.toString());
+    }
     return result;
   }
 }
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