diff --git a/infra/aws/terraform/prow-build-cluster/terraform.canary.tfvars b/infra/aws/terraform/prow-build-cluster/terraform.canary.tfvars
index adc96d9595a..3c3a322f5e6 100644
--- a/infra/aws/terraform/prow-build-cluster/terraform.canary.tfvars
+++ b/infra/aws/terraform/prow-build-cluster/terraform.canary.tfvars
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-assume_role            = true
+assume_role = true
 
 cluster_name    = "prow-build-canary-cluster"
 cluster_region  = "us-east-2"
diff --git a/infra/aws/terraform/prow-build-cluster/terraform.prod.tfvars b/infra/aws/terraform/prow-build-cluster/terraform.prod.tfvars
index fff515ddd40..e0dfba31a85 100644
--- a/infra/aws/terraform/prow-build-cluster/terraform.prod.tfvars
+++ b/infra/aws/terraform/prow-build-cluster/terraform.prod.tfvars
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-assume_role            = true
+assume_role = true
 
 cluster_name    = "prow-build-cluster"
 cluster_region  = "us-east-2"