diff --git content/browser/dom_storage/dom_storage_context_wrapper.cc content/browser/dom_storage/dom_storage_context_wrapper.cc
index 242deb55fb27..d7fe71e5e0a6 100644
--- content/browser/dom_storage/dom_storage_context_wrapper.cc
+++ content/browser/dom_storage/dom_storage_context_wrapper.cc
@@ -153,7 +153,9 @@ DOMStorageContextWrapper::DOMStorageContextWrapper(
 
   if (base::FeatureList::IsEnabled(features::kMojoSessionStorage)) {
     mojo_session_state_ = new SessionStorageContextMojo(
-        mojo_task_runner_, connector, local_partition_path,
+        mojo_task_runner_, connector,
+        profile_path.empty() ? base::nullopt
+                             : base::make_optional(local_partition_path),
         std::string(kSessionStorageDirectory));
   }