From fb8def21aecc1372c69cb352ff375750533b8e67 Mon Sep 17 00:00:00 2001
From: Tadgh <garygrantgraham@gmail.com>
Date: Tue, 14 Sep 2021 02:08:42 -0400
Subject: [PATCH] remove potential NPE

---
 .../ca/uhn/fhir/rest/server/interceptor/auth/RuleBuilder.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/auth/RuleBuilder.java b/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/auth/RuleBuilder.java
index 47ab01ccf34..a4447bff1bd 100644
--- a/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/auth/RuleBuilder.java
+++ b/hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/interceptor/auth/RuleBuilder.java
@@ -451,7 +451,7 @@ public class RuleBuilder implements IAuthRuleBuilder {
 				private Collection<? extends IIdType> myInCompartmentOwners;
 				private Collection<IIdType> myAppliesToInstances;
 				private RuleImplOp myRule;
-				private List<String> myAdditionalSearchParamsForCompartmentTypes;
+				private List<String> myAdditionalSearchParamsForCompartmentTypes = new ArrayList<>();
 
 				/**
 				 * Constructor