diff --git a/moli-renderer-v8/src/document_runtime/script_scheduling/module_facade.rs b/moli-renderer-v8/src/document_runtime/script_scheduling/module_facade.rs
index bd6ad79845..7ee40424dc 100644
--- a/moli-renderer-v8/src/document_runtime/script_scheduling/module_facade.rs
+++ b/moli-renderer-v8/src/document_runtime/script_scheduling/module_facade.rs
@@ -304,12 +304,6 @@ impl DocumentRuntime {
             .native_compiled_module(entry_id)
     }
 
-    pub(crate) fn native_module_url_for(&self, module: v8::Local<'_, v8::Module>) -> Option<Url> {
-        self.script_lifecycle
-            .scripts()
-            .native_module_url_for(module)
-    }
-
     pub(crate) fn mark_native_module_instantiated(&mut self, entry_id: ModuleEntryId) {
         self.script_lifecycle
             .scripts_mut()
diff --git a/moli-renderer-v8/src/host/scripts.rs b/moli-renderer-v8/src/host/scripts.rs
index 75936bb97d..acbaab3f93 100644
--- a/moli-renderer-v8/src/host/scripts.rs
+++ b/moli-renderer-v8/src/host/scripts.rs
@@ -687,13 +687,6 @@ impl HostScriptScheduler {
         self.module_owner.native_compiled_module(entry_id)
     }
 
-    pub(crate) fn native_module_url_for(
-        &self,
-        module: v8::Local<'_, v8::Module>,
-    ) -> Option<url::Url> {
-        self.module_owner.native_module_url_for(module)
-    }
-
     pub(crate) fn mark_native_module_instantiated(&mut self, entry_id: ModuleEntryId) {
         self.module_owner.mark_native_module_instantiated(entry_id);
     }
diff --git a/moli-renderer-v8/src/module_runtime.rs b/moli-renderer-v8/src/module_runtime.rs
index 49df6be114..9b1278a455 100644
--- a/moli-renderer-v8/src/module_runtime.rs
+++ b/moli-renderer-v8/src/module_runtime.rs
@@ -592,12 +592,6 @@ impl ModuleOwnerState {
             .map(|record| record.compiled_module().clone())
     }
 
-    pub(crate) fn native_module_url_for(&self, module: v8::Local<'_, v8::Module>) -> Option<Url> {
-        self.document_modulator
-            .module_key_for(module)
-            .map(|key| key.url().clone())
-    }
-
     pub(crate) fn mark_native_module_instantiated(&mut self, entry_id: ModuleEntryId) {
         self.document_modulator.mark_instantiated(entry_id);
     }
diff --git a/moli-renderer-v8/src/module_runtime/graph.rs b/moli-renderer-v8/src/module_runtime/graph.rs
index 1fa57cc16f..27d57e60a1 100644
--- a/moli-renderer-v8/src/module_runtime/graph.rs
+++ b/moli-renderer-v8/src/module_runtime/graph.rs
@@ -2307,7 +2307,7 @@ fn module_script_inline_tree_job_for_owner(
     let (record, identity) = match vm.compile_native_module_record(
         key.clone(),
         &source,
-        &root.source_url,
+        &root.base_url,
         &root.fetch_metadata,
     ) {
         Ok(result) => result,
diff --git a/moli-renderer-v8/src/module_runtime/host_callbacks.rs b/moli-renderer-v8/src/module_runtime/host_callbacks.rs
index 92316e8277..a430f059a9 100644
--- a/moli-renderer-v8/src/module_runtime/host_callbacks.rs
+++ b/moli-renderer-v8/src/module_runtime/host_callbacks.rs
@@ -35,16 +35,10 @@ pub(crate) unsafe extern "C" fn initialize_import_meta_object_callback(
     meta: v8::Local<'_, v8::Object>,
 ) {
     v8::callback_scope!(unsafe scope, context);
-    let Some(host_ptr) = context_host_ptr_from_global_bridge(scope) else {
+    let Ok(module_url) = v8::Local::<v8::String>::try_from(module.get_resource_name(scope)) else {
         return;
     };
-    let Some(module_url) = (unsafe { &*host_ptr }).native_module_url_for(module) else {
-        return;
-    };
-    let Some(value) = v8_string(scope, module_url.as_str()) else {
-        return;
-    };
-    let _ = ImportMetaDeclaration::new(value).initialize(scope, meta);
+    let _ = ImportMetaDeclaration::new(module_url).initialize(scope, meta);
 }
 
 pub(crate) fn dynamic_import_callback<'s, 'i>(
diff --git a/moli-renderer-v8/src/module_runtime/modulator.rs b/moli-renderer-v8/src/module_runtime/modulator.rs
index ee9d8e39be..45c8f31cc5 100644
--- a/moli-renderer-v8/src/module_runtime/modulator.rs
+++ b/moli-renderer-v8/src/module_runtime/modulator.rs
@@ -655,14 +655,6 @@ impl NativeDocumentModulator {
             .set_record_state_for_entry(self.core.entry(entry_id), ModuleRecordState::Evaluated);
     }
 
-    pub(crate) fn module_key_for(
-        &self,
-        module: v8::Local<'_, v8::Module>,
-    ) -> Option<&ModuleMapKey> {
-        self.module_entry_id_for(module)
-            .map(|entry_id| self.entry(entry_id).effective_key())
-    }
-
     pub(crate) fn module_source_for(
         &self,
         module: v8::Local<'_, v8::Module>,
diff --git a/moli-renderer-v8/src/runtime/page_vm/tests/mod.rs b/moli-renderer-v8/src/runtime/page_vm/tests/mod.rs
index fdfb3cbb42..9559625b1f 100644
--- a/moli-renderer-v8/src/runtime/page_vm/tests/mod.rs
+++ b/moli-renderer-v8/src/runtime/page_vm/tests/mod.rs
@@ -11945,15 +11945,19 @@ async fn stream_declared_controller_and_writer_surface_ignores_reflection_and_sp
 async fn parser_inline_module_runs_from_parser_after_parsing_order() {
     run_page_vm_async_test(async move {
         let loader = crate::network::ResourceRequestClient::new(&FetchConfig::default()).expect("loader");
+        let document_url = Url::parse(
+            "https://example.com/page.html?case=inline-module#document-fragment",
+        )
+        .expect("document URL");
         let mut page_vm = test_page_vm_with_loader_and_document_url(
             &loader,
             Vec::new(),
-            Url::parse("https://example.com/page.html").expect("document URL"),
+            document_url.clone(),
         );
         let script = prepared_inline_module_for_page_vm_test(
             &page_vm,
             9002,
-            "globalThis.__inlineParserModuleExecuted = (globalThis.__inlineParserModuleExecuted ?? 0) + 1; export const value = 1;",
+            "globalThis.__inlineParserModuleExecuted = (globalThis.__inlineParserModuleExecuted ?? 0) + 1; globalThis.__inlineParserModuleUrl = import.meta.url; export const value = 1;",
         );
 
         let parser_module_work = install_parser_module_defer_work(&mut page_vm, script);
@@ -11989,6 +11993,14 @@ async fn parser_inline_module_runs_from_parser_after_parsing_order() {
             "1",
             "parser after-parsing release should evaluate the prewarmed inline graph once"
         );
+        assert_eq!(
+            page_vm
+                .vm_mut()
+                .eval("globalThis.__inlineParserModuleUrl")
+                .expect("read inline module URL after page task"),
+            document_url.as_str(),
+            "an inline module must expose its document base URL, not its internal module-map key"
+        );
     })
     .await;
 }
diff --git a/moli-renderer-v8/src/script_vm/tests/mod.rs b/moli-renderer-v8/src/script_vm/tests/mod.rs
index b44e33bdc0..2fe6a7773f 100644
--- a/moli-renderer-v8/src/script_vm/tests/mod.rs
+++ b/moli-renderer-v8/src/script_vm/tests/mod.rs
@@ -8871,7 +8871,9 @@ async fn child_inline_parser_module_executes_from_registered_pending_script() {
   frame.srcdoc = `
     <script>parent.__childInlineParserModuleEvents.push("before");<\/script>
     <script type="module">
-      parent.__childInlineParserModuleEvents.push("module:" + (globalThis === self));
+      parent.__childInlineParserModuleEvents.push(
+        "module:" + (globalThis === self) + ":" + import.meta.url + ":" + import.meta.resolve("./x")
+      );
       globalThis.__childInlineParserModuleValue = 42;
     <\/script>
     <script>parent.__childInlineParserModuleEvents.push("after:" + String(globalThis.__childInlineParserModuleValue));<\/script>
@@ -8950,7 +8952,7 @@ async fn child_inline_parser_module_executes_from_registered_pending_script() {
     assert_eq!(
         vm.eval("__childInlineParserModuleEvents.join('|')")
             .expect("child inline parser module events should evaluate"),
-        "before|after:undefined|module:true"
+        "before|after:undefined|module:true:http://child-inline-module.test/:http://child-inline-module.test/x"
     );
 }
 
diff --git a/vendor/v8-152.2.0/src/module.rs b/vendor/v8-152.2.0/src/module.rs
index 857b875262..b43a7249fc 100644
--- a/vendor/v8-152.2.0/src/module.rs
+++ b/vendor/v8-152.2.0/src/module.rs
@@ -211,6 +211,7 @@ where
 }
 
 unsafe extern "C" {
+  fn v8__Module__GetResourceName(this: *const Module) -> *const Value;
   fn v8__Module__GetStatus(this: *const Module) -> ModuleStatus;
   fn v8__Module__GetException(this: *const Module) -> *const Value;
   fn v8__Module__GetModuleRequests(this: *const Module) -> *const FixedArray;
@@ -323,6 +324,21 @@ pub enum ModuleStatus {
 }
 
 impl Module {
+  /// If this is a source text module, returns the resource name passed to its
+  /// [`ScriptOrigin`](crate::ScriptOrigin). If this is a synthetic module,
+  /// returns the name passed to [`Module::create_synthetic_module`].
+  #[inline(always)]
+  pub fn get_resource_name<'s>(
+    &self,
+    scope: &PinScope<'s, '_>,
+  ) -> Local<'s, Value> {
+    unsafe {
+      scope
+        .cast_local(|_| v8__Module__GetResourceName(self))
+        .unwrap()
+    }
+  }
+
   /// Returns the module's current status.
   #[inline(always)]
   pub fn get_status(&self) -> ModuleStatus {
diff --git a/vendor/v8-152.2.0/src/module_ext.cc b/vendor/v8-152.2.0/src/module_ext.cc
index 87f6da1972..bc7b001e03 100644
--- a/vendor/v8-152.2.0/src/module_ext.cc
+++ b/vendor/v8-152.2.0/src/module_ext.cc
@@ -7,6 +7,10 @@ using namespace support;
 
 extern "C" {
 
+const v8::Value* v8__Module__GetResourceName(const v8::Module& self) {
+  return local_to_ptr(self.GetResourceName());
+}
+
 MaybeBool v8__Module__SetSyntheticModuleExportUninitialized(
     const v8::Module& self,
     v8::Isolate* isolate,