diff --git a/org.hl7.fhir.r4/src/main/java/org/hl7/fhir/r4/terminologies/ConceptMapEngine.java b/org.hl7.fhir.r4/src/main/java/org/hl7/fhir/r4/terminologies/ConceptMapEngine.java
index d5e033d34..c329533c3 100644
--- a/org.hl7.fhir.r4/src/main/java/org/hl7/fhir/r4/terminologies/ConceptMapEngine.java
+++ b/org.hl7.fhir.r4/src/main/java/org/hl7/fhir/r4/terminologies/ConceptMapEngine.java
@@ -64,7 +64,7 @@ public class ConceptMapEngine {
     for (ConceptMapGroupComponent g : cm.getGroup()) {
       for (SourceElementComponent e : g.getElement()) {
         if (code.equals(e.getCode())) {
-          if (e != null)
+          if (ct != null)
             throw new FHIRException("Unable to process translate "+code+" because multiple candidate matches were found in concept map "+cm.getUrl());
           ct = e;
           cg = g;