diff --git a/.changeset/beige-moose-destroy.md b/.changeset/beige-moose-destroy.md
new file mode 100644
index 000000000000..f51d4753a3ab
--- /dev/null
+++ b/.changeset/beige-moose-destroy.md
@@ -0,0 +1,5 @@
+---
+"@rspack/core": patch
+---
+
+optimize the initialization of instance
diff --git a/packages/rspack/src/compiler.ts b/packages/rspack/src/compiler.ts
index 39ef23701068..a3dbadcdcdd1 100644
--- a/packages/rspack/src/compiler.ts
+++ b/packages/rspack/src/compiler.ts
@@ -139,11 +139,10 @@ class Compiler {
 	 * Lazy initialize instance so it could access the changed options
 	 */
 	get #instance() {
-		const options = getRawOptions(this.options, this);
 		this.#_instance =
 			this.#_instance ??
 			new binding.Rspack(
-				options,
+				getRawOptions(this.options, this),
 				{
 					make: this.#make.bind(this),
 					emit: this.#emit.bind(this),