diff --git a/rules.tf b/rules.tf
index d8e67c3..74522c8 100644
--- a/rules.tf
+++ b/rules.tf
@@ -129,7 +129,7 @@ resource "aws_wafv2_web_acl" "default" {
     content {
       key          = custom_response_body.key
       content      = custom_response_body.value.content
-      content_type = custom_response_body.value.content
+      content_type = custom_response_body.value.content_type
     }
   }