diff --git a/packages/compartment-mapper/src/bundle.js b/packages/compartment-mapper/src/bundle.js
index fe63135f1b..c5b7da2919 100644
--- a/packages/compartment-mapper/src/bundle.js
+++ b/packages/compartment-mapper/src/bundle.js
@@ -227,6 +227,7 @@ export const makeBundle = async (readPowers, moduleLocation, options) => {
 
   const {
     moduleTransforms,
+    syncModuleTransforms,
     dev,
     tags: tagsOption,
     conditions: conditionsOption = tagsOption,
@@ -327,6 +328,7 @@ export const makeBundle = async (readPowers, moduleLocation, options) => {
     resolve,
     makeImportHook,
     moduleTransforms,
+    syncModuleTransforms,
     parserForLanguage,
   });
   await compartment.load(entryModuleSpecifier);
diff --git a/packages/ses/scripts/bundle.js b/packages/ses/scripts/bundle.js
index 05b9212848..73fa964c61 100644
--- a/packages/ses/scripts/bundle.js
+++ b/packages/ses/scripts/bundle.js
@@ -29,7 +29,7 @@ const writeBundle = async ({ buildType } = {}) => {
   const packageJson = JSON.parse(text);
   const version = packageJson.version;
 
-  let moduleTransforms;
+  let syncModuleTransforms;
 
   let bundleFilePaths = [
     'dist/ses.cjs',
@@ -44,13 +44,13 @@ const writeBundle = async ({ buildType } = {}) => {
   if (buildType === 'hermes') {
     bundleFilePaths = ['dist/ses-hermes.cjs'];
     terseFilePaths = [];
-    moduleTransforms = hermesTransforms;
+    syncModuleTransforms = hermesTransforms;
   }
 
   const bundle = await makeBundle(
     read,
     pathToFileURL(resolve('../index.js', import.meta.url)).toString(),
-    { moduleTransforms },
+    { syncModuleTransforms },
   );
   const versionedBundle = `// ses@${version}\n${bundle}`;
 
diff --git a/packages/ses/scripts/hermes-transforms.js b/packages/ses/scripts/hermes-transforms.js
index 1c0d7a299a..8142fcbf53 100644
--- a/packages/ses/scripts/hermes-transforms.js
+++ b/packages/ses/scripts/hermes-transforms.js
@@ -62,13 +62,7 @@ const asyncGeneratorDestroyer = {
 };
 
 export const hermesTransforms = {
-  mjs: async (
-    sourceBytes,
-    specifier,
-    location,
-    _packageLocation,
-    { sourceMap },
-  ) => {
+  mjs: (sourceBytes, specifier, location, _packageLocation, { sourceMap }) => {
     const transforms = {
       ...asyncArrowEliminator,
       ...asyncGeneratorDestroyer,