diff --git a/pom.xml b/pom.xml
index f19ad27..88b6731 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>edu.stanford.protege</groupId>
 	<artifactId>webprotege-authorization-service</artifactId>
-	<version>1.0.2</version>
+	<version>1.0.3</version>
 	<name>webprotege-authorization-service</name>
 	<description>A service that checks users are authorized to execute operations in WebProtége</description>
 	<properties>
diff --git a/src/main/java/edu/stanford/protege/webprotege/authorization/AccessManagerImpl.java b/src/main/java/edu/stanford/protege/webprotege/authorization/AccessManagerImpl.java
index 669bb7d..0126771 100644
--- a/src/main/java/edu/stanford/protege/webprotege/authorization/AccessManagerImpl.java
+++ b/src/main/java/edu/stanford/protege/webprotege/authorization/AccessManagerImpl.java
@@ -162,7 +162,7 @@ public Collection<Subject> getSubjectsWithAccessToResource(Resource resource, Ac
     private Collection<Subject> getSubjectsWithAccessToResource(Resource resource, Optional<ActionId> action) {
         String projectId = toProjectId(resource);
         Query query = query(where(PROJECT_ID).is(projectId));
-        action.ifPresent(a -> query.addCriteria(where(ACTION_CLOSURE).in(a.toString())));
+        action.ifPresent(a -> query.addCriteria(where(ACTION_CLOSURE).in(a.id())));
         return mongoTemplate.find(query, RoleAssignment.class)
                             .stream()
                             .map(ra -> {