diff --git a/rflib/main/default/classes/rflib_GlobalSettings.cls b/rflib/main/default/classes/rflib_GlobalSettings.cls
index 181b42e9..22a94466 100644
--- a/rflib/main/default/classes/rflib_GlobalSettings.cls
+++ b/rflib/main/default/classes/rflib_GlobalSettings.cls
@@ -115,7 +115,7 @@ public with sharing class rflib_GlobalSettings {
             throw new rflib_InvalidArgumentException('newLimit', 'value provided (' + newLimit + ') is less than 0 or higher than allowed limit: ' + Limits.getPublishImmediateDML());
         }
 
-        String newLimitStr = newLimit != null ? String.valueOf(newLimit) : rflib_Global_Setting__mdt.getInstance('Publish_Platform_Event_Transaction_Limit').Value__c;
+        String newLimitStr = newLimit != null ? String.valueOf(newLimit) : rflib_Global_Setting__mdt.getInstance('Publish_Platform_Event_Transaction_Limit')?.Value__c;
         SETTINGS.put('Publish_Platform_Event_Transaction_Limit', newLimitStr);
     }
 }
\ No newline at end of file
diff --git a/rflib/test/default/classes/rflib_GlobalSettingsTest.cls b/rflib/test/default/classes/rflib_GlobalSettingsTest.cls
index 93a505cd..7ee2496a 100644
--- a/rflib/test/default/classes/rflib_GlobalSettingsTest.cls
+++ b/rflib/test/default/classes/rflib_GlobalSettingsTest.cls
@@ -41,7 +41,7 @@ private class rflib_GlobalSettingsTest {
 
     @IsTest
     static void testPublishingLimitOrDefault() {
-        Integer expectedValue = getConfiguredIntegerValueOrDefault('Publish_Platform_Event_Transaction_Limit', rflib_GlobalSettings.ARCHIVE_LOG_QUERY_LIMIT_DEFAULT_VALUE);
+        Integer expectedValue = getConfiguredIntegerValueOrDefault('Publish_Platform_Event_Transaction_Limit', rflib_GlobalSettings.PUBLISH_PLATFORM_EVENT_TRANSACTION_LIMIT_DEFAULT_VALUE);
 
         Test.startTest();
         System.assertEquals(expectedValue, rflib_GlobalSettings.publishingLimitOrDefault);