diff --git a/node-swc/src/spack.ts b/node-swc/src/spack.ts
index c57ae6ce30f..d57e099451b 100644
--- a/node-swc/src/spack.ts
+++ b/node-swc/src/spack.ts
@@ -75,7 +75,7 @@ export interface SpackConfig {
     /**
      * Modules to exclude from bundle.
      */
-    extenalModules?: string[]
+    externalModules?: string[]
 }
 
 export interface OutputConfig {