diff --git a/packages/compiler/src/build/client-config.ts b/packages/compiler/src/build/client-config.ts
index 5a47ceae..94985d63 100644
--- a/packages/compiler/src/build/client-config.ts
+++ b/packages/compiler/src/build/client-config.ts
@@ -75,7 +75,11 @@ export async function clientBuildConfig(dirname: string, options: ClientBuildCon
 
     let serverUrl = ''
 
-    serverUrl = env.VITE_SERVER_URL = process.env.VITE_SERVER_URL ?? buildOptions?.serverUrl ?? ''
+    let envServerUrl = process.env.VITE_SERVER_URL
+    if (envServerUrl && !envServerUrl.startsWith('http')) {
+        process.env.VITE_SERVER_URL = envServerUrl = `http://${envServerUrl}`
+    }
+    serverUrl = env.VITE_SERVER_URL = envServerUrl ?? buildOptions?.serverUrl ?? ''
 
     if (options.mode != 'test' && !plugin && !libMode) {
         // if index.html is not found, display an error
diff --git a/packages/compiler/src/build/vite-plugin-config.toml.ts b/packages/compiler/src/build/vite-plugin-config.toml.ts
index b88ca88b..a183eada 100644
--- a/packages/compiler/src/build/vite-plugin-config.toml.ts
+++ b/packages/compiler/src/build/vite-plugin-config.toml.ts
@@ -148,7 +148,7 @@ export function loadServerFiles(modulePath: string, options, config) {
     const eventsFilesString = searchFolderAndTransformToImportString('events', modulePath, '.ts')
     const hitbox = config.start?.hitbox
 
-    const verifyDefaultExport = (importObject: ImportObject) => `
+    const verifyDefaultExport = (importObject: ImportObject) => dd`
         [${importObject?.variablesString}].map((val) => {
             if (!val) {
                 throw new Error('Do you have "export default" in this file ? :  ${importObject?.relativePath}')
diff --git a/packages/compiler/tests/toml.spec.ts b/packages/compiler/tests/toml.spec.ts
index 2d470c6f..0258af5b 100644
--- a/packages/compiler/tests/toml.spec.ts
+++ b/packages/compiler/tests/toml.spec.ts
@@ -202,6 +202,7 @@ describe('TOML Configuration test', () => {
             expect(result).toEqual({
                 variablesString: '',
                 importString: '',
+                relativePath: '',
                 folder: '',
             })
         })