diff --git a/packages/cli/src/build/build.ts b/packages/cli/src/build/build.ts
index 9e229e0600..30f2f5171e 100644
--- a/packages/cli/src/build/build.ts
+++ b/packages/cli/src/build/build.ts
@@ -38,6 +38,7 @@ const DEFAULT_CONFIG: Partial<MitosisConfig> = {
   dest: 'output',
   files: 'src/*',
   overridesDir: 'overrides',
+  extension: 'lite.tsx',
 };
 
 const getOptions = (config?: MitosisConfig): MitosisConfig => ({
@@ -93,7 +94,7 @@ const getRequiredParsers = (
 const getMitosisComponentJSONs = async (options: MitosisConfig): Promise<ParsedMitosisJson[]> => {
   const requiredParses = getRequiredParsers(options);
   return Promise.all(
-    micromatch(await glob(options.files, { cwd }), `**/*.${options.extension ?? 'lite.tsx'}`).map(
+    micromatch(await glob(options.files, { cwd }), `**/*.${options.extension}`).map(
       async (path): Promise<ParsedMitosisJson> => {
         try {
           const file = await readFile(path, 'utf8');
@@ -250,8 +251,10 @@ const replaceFileExtensionForTarget = ({
   target: Target;
   path: string;
   options: MitosisConfig;
-}) =>
-  path.replace(/\.lite\.tsx$/, getFileExtensionForTarget({ type: 'filename', target, options }));
+}) => {
+  let regex = new RegExp(`.${options.extension}$`);
+  return path.replace(regex, getFileExtensionForTarget({ type: 'filename', target, options }));
+};
 
 /**
  * Transpiles and outputs Mitosis component files.
diff --git a/packages/cli/src/build/helpers/transpile.ts b/packages/cli/src/build/helpers/transpile.ts
index 5690f2d0a2..704722ace9 100644
--- a/packages/cli/src/build/helpers/transpile.ts
+++ b/packages/cli/src/build/helpers/transpile.ts
@@ -20,6 +20,10 @@ export const transformImports = (target: Target, options: MitosisConfig) => (cod
       // afterwards, we replace all `.lite` imports with the correct file extension
       /\.lite(['"][;\)])/g,
       `${getFileExtensionForTarget({ type: 'import', target, options })}$1`,
+    )
+    .replace(
+      `.${options.extension}`,
+      `${getFileExtensionForTarget({ type: 'import', target, options })}`,
     );
 
 /**
diff --git a/packages/core/src/types/config.ts b/packages/core/src/types/config.ts
index af8ade5b12..72507f566d 100644
--- a/packages/core/src/types/config.ts
+++ b/packages/core/src/types/config.ts
@@ -57,7 +57,7 @@ export type MitosisConfig = {
    * Configure the extension of the files you want to compile
    * Default value: 'lite.tsx'
    */
-  extension?: string;
+  extension: string;
   /**
    * Configure a custom parser function which takes a string and returns MitosisJSON
    * Defaults to the JSXParser of this project (src/parsers/jsx)