1 files changed, 4 insertions, 2 deletions
diff --git a/extensions/browser/api/declarative/rules_registry_service.cc b/extensions/browser/api/declarative/rules_registry_service.cc
index 12df013..9ddc450 100644
--- a/extensions/browser/api/declarative/rules_registry_service.cc
+++ b/extensions/browser/api/declarative/rules_registry_service.cc
@@ -95,8 +95,10 @@ void RulesRegistryService::EnsureDefaultRulesRegistriesRegistered(
     scoped_refptr<ContentRulesRegistry> content_rules_registry =
         ExtensionsAPIClient::Get()->CreateContentRulesRegistry(
             browser_context_, content_rules_cache_delegate);
-    RegisterRulesRegistry(content_rules_registry);
-    content_rules_registry_ = content_rules_registry.get();
+    if (content_rules_registry.get() != nullptr) {
+      RegisterRulesRegistry(content_rules_registry);
+      content_rules_registry_ = content_rules_registry.get();
+    }
   }
 }