diff --git a/cqf-fhir-cr/src/main/java/org/opencds/cqf/fhir/cr/library/evaluate/EvaluateProcessor.java b/cqf-fhir-cr/src/main/java/org/opencds/cqf/fhir/cr/library/evaluate/EvaluateProcessor.java
index 4b00a200c..2090390ef 100644
--- a/cqf-fhir-cr/src/main/java/org/opencds/cqf/fhir/cr/library/evaluate/EvaluateProcessor.java
+++ b/cqf-fhir-cr/src/main/java/org/opencds/cqf/fhir/cr/library/evaluate/EvaluateProcessor.java
@@ -24,7 +24,6 @@ public IBaseParameters evaluate(EvaluateRequest request) {
                             request.getSubject(),
                             request.getParameters(),
                             request.getData(),
-                            null,
                             request.getExpression());
         } catch (Exception e) {
             request.logException(e.getMessage());