diff --git a/changelogs/fragments/2935-lvol-support_check_mode_thinpool.yml b/changelogs/fragments/2935-lvol-support_check_mode_thinpool.yml
new file mode 100644
index 0000000000..3efbe59860
--- /dev/null
+++ b/changelogs/fragments/2935-lvol-support_check_mode_thinpool.yml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - lvol - honor ``check_mode`` on thinpool (https://github.com/ansible-collections/community.general/issues/2934).
diff --git a/plugins/modules/system/lvol.py b/plugins/modules/system/lvol.py
index fafa7db38a..e8b0ab838b 100644
--- a/plugins/modules/system/lvol.py
+++ b/plugins/modules/system/lvol.py
@@ -471,9 +471,9 @@ def main():
                 if size_opt == 'l':
                     module.fail_json(changed=False, msg="Thin volume sizing with percentage not supported.")
                 size_opt = 'V'
-                cmd = "%s %s -n %s -%s %s%s %s -T %s/%s" % (lvcreate_cmd, yesopt, lv, size_opt, size, size_unit, opts, vg, thinpool)
+                cmd = "%s %s %s -n %s -%s %s%s %s -T %s/%s" % (lvcreate_cmd, test_opt, yesopt, lv, size_opt, size, size_unit, opts, vg, thinpool)
             elif thinpool and not lv:
-                cmd = "%s %s -%s %s%s %s -T %s/%s" % (lvcreate_cmd, yesopt, size_opt, size, size_unit, opts, vg, thinpool)
+                cmd = "%s %s %s -%s %s%s %s -T %s/%s" % (lvcreate_cmd, test_opt, yesopt, size_opt, size, size_unit, opts, vg, thinpool)
             else:
                 cmd = "%s %s %s -n %s -%s %s%s %s %s %s" % (lvcreate_cmd, test_opt, yesopt, lv, size_opt, size, size_unit, opts, vg, pvs)
             rc, dummy, err = module.run_command(cmd)