diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/ModelRepresentationConversions.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/ModelRepresentationConversions.java
index 36c4bf6ed..f7279179c 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/ModelRepresentationConversions.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/ModelRepresentationConversions.java
@@ -108,9 +108,9 @@ public static Object getOverrideFromAttribute(Attribute attribute) {
             case BOOLEAN:
                 if (relyingPartyOverrideProperty.getPersistType() != null
                         && (!relyingPartyOverrideProperty.getPersistType().equalsIgnoreCase("boolean"))) {
-                    return "true";
+                    return true;
                 } else {
-                    return ((XSBoolean) attributeValues.get(0)).getStoredValue();
+                    return Boolean.valueOf(((XSBoolean) attributeValues.get(0)).getStoredValue());
                 }
             case INTEGER:
                 return ((XSInteger) attributeValues.get(0)).getValue();
diff --git a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/repository/MetadataResolverRepositoryTests.groovy b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/repository/MetadataResolverRepositoryTests.groovy
index 818e132d7..5d08d46e8 100644
--- a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/repository/MetadataResolverRepositoryTests.groovy
+++ b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/repository/MetadataResolverRepositoryTests.groovy
@@ -80,8 +80,9 @@ class MetadataResolverRepositoryTests extends Specification {
             it.name = 'original'
             it.resourceId = 'new-filter-UUID'
             it.attributeRelease = ['attr-for-release']
-            it.relyingPartyOverrides = [:]
-            it.relyingPartyOverrides.put("signAssertion", true)
+            def overrides = [:]
+            overrides["signAssertion"] = true
+            it.setRelyingPartyOverrides(overrides) // to make sure it.rebuildAttributes() is called
             it
         }
         MetadataResolver metadataResolver = metadataResolverRepository.findAll().iterator().next()
@@ -111,7 +112,7 @@ class MetadataResolverRepositoryTests extends Specification {
                 it.value == 'attr-for-release'
             }
         }
-        persistedFilter.relyingPartyOverrides.signAssertion
+        persistedFilter.relyingPartyOverrides["signAssertion"]
 
         when:
         entityManager.flush()
@@ -121,10 +122,8 @@ class MetadataResolverRepositoryTests extends Specification {
             it.name = 'updated'
             it.resourceId = 'new-filter-UUID'
             it.attributeRelease = ['attr-for-release', 'attr-for-release2']
-            it.relyingPartyOverrides = new RelyingPartyOverridesRepresentation().with {
-                it.signAssertion = false
-                it
-            }
+            it.relyingPartyOverrides = [:]
+            it.relyingPartyOverrides.put("signAssertion", false)
             it
         }
         metadataResolver = metadataResolverRepository.findAll().iterator().next()
@@ -164,7 +163,7 @@ class MetadataResolverRepositoryTests extends Specification {
                 it.value == 'attr-for-release2'
             }
         }
-        !persistedFilter.relyingPartyOverrides.signAssertion
+        !persistedFilter.relyingPartyOverrides["signAssertion"]
     }
 
     def "test persisting DynamicHttpMetadataResolver "() {