diff --git a/packages/start/config/index.js b/packages/start/config/index.js
index 64f5497ee..b8dbb8b00 100644
--- a/packages/start/config/index.js
+++ b/packages/start/config/index.js
@@ -37,6 +37,14 @@ function solidStartServerFsRouter(config) {
     );
 }
 
+/**
+ * @param {string} filepath
+ * @returns {string}
+ */
+function convertToRelativePath(filepath) {
+  return filepath.replace(process.cwd(), "~");
+}
+
 const SolidStartServerFnsPlugin = createTanStackServerFnPlugin({
   // This is the ID that will be available to look up and import
   // our server function manifest and resolve its module
@@ -47,7 +55,7 @@ const SolidStartServerFnsPlugin = createTanStackServerFnPlugin({
         fileURLToPath(new URL("../dist/runtime/server-runtime.js", import.meta.url))
       )}"`,
     replacer: opts =>
-      `createServerReference(${() => {}}, '${opts.functionId}', '${opts.extractedFilename}')`
+      `createServerReference(${() => {}}, '${opts.functionId}', '${encodeURIComponent(convertToRelativePath(opts.extractedFilename))}')`
   },
   ssr: {
     getRuntimeCode: () =>
@@ -55,7 +63,7 @@ const SolidStartServerFnsPlugin = createTanStackServerFnPlugin({
         fileURLToPath(new URL("../dist/runtime/server-fns-runtime.js", import.meta.url))
       )}'`,
     replacer: opts =>
-      `createServerReference(${opts.fn}, '${opts.functionId}', '${opts.extractedFilename}')`
+      `createServerReference(${opts.fn}, '${opts.functionId}', '${encodeURIComponent(convertToRelativePath(opts.extractedFilename))}')`
   },
   server: {
     getRuntimeCode: () =>
@@ -63,7 +71,7 @@ const SolidStartServerFnsPlugin = createTanStackServerFnPlugin({
         fileURLToPath(new URL("../dist/runtime/server-fns-runtime.js", import.meta.url))
       )}'`,
     replacer: opts =>
-      `createServerReference(${opts.fn}, '${opts.functionId}', '${opts.extractedFilename}')`
+      `createServerReference(${opts.fn}, '${opts.functionId}', '${encodeURIComponent(convertToRelativePath(opts.extractedFilename))}')`
   }
 });