diff --git a/changelogs/fragments/4621-terraform-py2-compat.yml b/changelogs/fragments/4621-terraform-py2-compat.yml
new file mode 100644
index 0000000000..4bceafba6c
--- /dev/null
+++ b/changelogs/fragments/4621-terraform-py2-compat.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - terraform - fix list initialization to support both Python 2 and Python 3 (https://github.com/ansible-collections/community.general/issues/4531).
diff --git a/plugins/modules/cloud/misc/terraform.py b/plugins/modules/cloud/misc/terraform.py
index 8eca14e712..7305d34415 100644
--- a/plugins/modules/cloud/misc/terraform.py
+++ b/plugins/modules/cloud/misc/terraform.py
@@ -324,7 +324,7 @@ def build_plan(command, project_path, variables_args, state_file, targets, state
     if plan_path is None:
         f, plan_path = tempfile.mkstemp(suffix='.tfplan')
 
-    local_command = command.copy()
+    local_command = command[:]
 
     plan_command = [command[0], 'plan']