diff --git a/infra/modules/cog/outputs.tf b/infra/modules/cog/outputs.tf
index f753c5f..8fd4545 100644
--- a/infra/modules/cog/outputs.tf
+++ b/infra/modules/cog/outputs.tf
@@ -19,5 +19,5 @@ output "speech_key" {
 }
 
 output "bing_key" {
-  value = var.deploy_bing ? jsondecode(azurerm_resource_group_template_deployment.main.output_content).accessKeys.value.key1 : ""
+  value = var.deploy_bing ? jsondecode(azurerm_resource_group_template_deployment.main[0].output_content).accessKeys.value.key1 : ""
 }