diff --git a/app/assets/javascripts/projects/gke_cluster_dropdowns/components/gke_machine_type_dropdown.vue b/app/assets/javascripts/projects/gke_cluster_dropdowns/components/gke_machine_type_dropdown.vue
index 1b9bc5d2cff..3af7cd07237 100644
--- a/app/assets/javascripts/projects/gke_cluster_dropdowns/components/gke_machine_type_dropdown.vue
+++ b/app/assets/javascripts/projects/gke_cluster_dropdowns/components/gke_machine_type_dropdown.vue
@@ -109,7 +109,11 @@ export default {
     },
     enableSubmit() {
       if (this.hasProject && this.hasZone && this.hasMachineType) {
-        document.querySelector('.js-gke-cluster-creation-submit').removeAttribute('disabled');
+        const submitButtonEl = document.querySelector('.js-gke-cluster-creation-submit');
+
+        if (submitButtonEl) {
+          submitButtonEl.removeAttribute('disabled');
+        }
       }
     },
   },