diff --git a/src/mount.ts b/src/mount.ts
index 27735767ca..e45ed9daf0 100644
--- a/src/mount.ts
+++ b/src/mount.ts
@@ -482,7 +482,9 @@ export function mount(
         // otherwise we run into a proxy set error
         // due to https://github.com/vuejs/core/commit/f73925d76a76ee259749b8b48cb68895f539a00f#diff-ea4d1ddabb7e22e17e80ada458eef70679af4005df2a1a6b73418fec897603ceR404
         // introduced in Vue v3.2.45
-        if (hasSetupState(this)) {
+        // Also ensures not to not include options API components in this this scenario
+        // since they can also have setup state.
+        if (hasSetupState(this) && this.$.setupState.__isScriptSetup) {
           // add the mocks to setupState
           for (const [k, v] of Object.entries(
             global.mocks as { [key: string]: any }