diff --git a/core/class-kirki-init.php b/core/class-kirki-init.php
index 6dc83610d..80ccabf1d 100644
--- a/core/class-kirki-init.php
+++ b/core/class-kirki-init.php
@@ -281,7 +281,10 @@ public function update_user_meta( $value, $wp_customize_setting ) {
 	 * @since 3.0.0
 	 * @return int
 	 */
-	public function acf_select2_version() {
-		return 4;
+	public function acf_select2_version( $ver ) {
+		if ( is_customize_preview() ) {
+			return 4;
+		}
+		return $ver;
 	}
 }