diff --git a/hcl2/hcl2.lark b/hcl2/hcl2.lark
index f477e3b5..ea2fd80e 100644
--- a/hcl2/hcl2.lark
+++ b/hcl2/hcl2.lark
@@ -5,8 +5,9 @@ block : identifier (identifier | STRING_LIT)* new_line_or_comment? "{" body "}"
 new_line_and_or_comma: new_line_or_comment | "," | "," new_line_or_comment
 new_line_or_comment: ( /\n/ | /#.*\n/ | /\/\/.*\n/ )+
 
-identifier : /[a-zA-Z_][a-zA-Z0-9_-]*/ | IN
+identifier : /[a-zA-Z_][a-zA-Z0-9_-]*/ | IN | FOR
 IN : "in"
+FOR : "for"
 
 ?expression : expr_term | operation | conditional
 
diff --git a/hcl2/transformer.py b/hcl2/transformer.py
index 998a9dd1..ddc7269f 100644
--- a/hcl2/transformer.py
+++ b/hcl2/transformer.py
@@ -116,7 +116,7 @@ def provider_function_call(self, args: List) -> str:
         args_str = ""
         if len(args) > 5:
             args_str = ", ".join([str(arg) for arg in args[5] if arg is not Discard])
-        provider_func = "::".join([args[0],args[2],args[4]])
+        provider_func = "::".join([args[0], args[2], args[4]])
         return f"{provider_func}({args_str})"
 
     def arguments(self, args: List) -> List:
diff --git a/test/helpers/terraform-config-json/resource_for_attribute.json b/test/helpers/terraform-config-json/resource_for_attribute.json
new file mode 100644
index 00000000..51445926
--- /dev/null
+++ b/test/helpers/terraform-config-json/resource_for_attribute.json
@@ -0,0 +1,13 @@
+{
+  "resource": [
+    {
+      "custom_provider_resource": {
+        "resource_name": {
+          "name": "resource_name",
+          "attribute": "attribute_value",
+          "for": "attribute_value2"
+        }
+      }
+    }
+  ]
+}
diff --git a/test/helpers/terraform-config/resource_for_attribute.tf b/test/helpers/terraform-config/resource_for_attribute.tf
new file mode 100644
index 00000000..3478644f
--- /dev/null
+++ b/test/helpers/terraform-config/resource_for_attribute.tf
@@ -0,0 +1,5 @@
+resource "custom_provider_resource" "resource_name" {
+  name      = "resource_name"
+  attribute = "attribute_value"
+  for       = "attribute_value2"
+}