diff --git a/app/services/clusters/gcp/finalize_creation_service.rb b/app/services/clusters/gcp/finalize_creation_service.rb
index cea56f4e8494b682a1cebe23a720b6970474ee23..15ab2d544043b4cfb58ca0798b0026971f4c4e11 100644
--- a/app/services/clusters/gcp/finalize_creation_service.rb
+++ b/app/services/clusters/gcp/finalize_creation_service.rb
@@ -30,10 +30,10 @@ module Clusters
           ca_cert: Base64.decode64(gke_cluster.master_auth.cluster_ca_certificate),
           username: gke_cluster.master_auth.username,
           password: gke_cluster.master_auth.password,
-          token: request_kuberenetes_token)
+          token: request_kubernetes_token)
       end
 
-      def request_kuberenetes_token
+      def request_kubernetes_token
         Ci::FetchKubernetesTokenService.new(
           'https://' + gke_cluster.endpoint,
           Base64.decode64(gke_cluster.master_auth.cluster_ca_certificate),
diff --git a/changelogs/unreleased/41619-turn-on-legacy-authorization-for-new-clusters-on-gke.yml b/changelogs/unreleased/41619-turn-on-legacy-authorization-for-new-clusters-on-gke.yml
new file mode 100644
index 0000000000000000000000000000000000000000..507367c98c4a3fa46b32c0ce9602212d406b4b64
--- /dev/null
+++ b/changelogs/unreleased/41619-turn-on-legacy-authorization-for-new-clusters-on-gke.yml
@@ -0,0 +1,5 @@
+---
+title: Enable Legacy Authorization by default on Cluster creations
+merge_request: 17302
+author:
+type: fixed
diff --git a/lib/google_api/cloud_platform/client.rb b/lib/google_api/cloud_platform/client.rb
index ff638c07755be16a0aa79cdce8fb257e58a352f8..f30dd995695e3d293c450cb87938420e11fc8770 100644
--- a/lib/google_api/cloud_platform/client.rb
+++ b/lib/google_api/cloud_platform/client.rb
@@ -76,9 +76,13 @@ module GoogleApi
               "initial_node_count": cluster_size,
               "node_config": {
                 "machine_type": machine_type
+              },
+              "legacy_abac": {
+                "enabled": true
               }
             }
-          } )
+          }
+        )
 
         service.create_cluster(project_id, zone, request_body, options: user_agent_header)
       end
diff --git a/spec/lib/google_api/cloud_platform/client_spec.rb b/spec/lib/google_api/cloud_platform/client_spec.rb
index f65e41dfea300a1448d70efc37593f7af5d26014..db9d9158b296c271555fb554902f2964adaa439c 100644
--- a/spec/lib/google_api/cloud_platform/client_spec.rb
+++ b/spec/lib/google_api/cloud_platform/client_spec.rb
@@ -115,6 +115,9 @@ describe GoogleApi::CloudPlatform::Client do
               "initial_node_count": cluster_size,
               "node_config": {
                 "machine_type": machine_type
+              },
+              "legacy_abac": {
+                "enabled": true
               }
             }
           } )