diff --git a/releasenotes/notes/fix_admin_keystoneauth1-ed534462434.yaml b/releasenotes/notes/fix_admin_keystoneauth1-ed534462434.yaml
new file mode 100644
index 00000000..2bbb657b
--- /dev/null
+++ b/releasenotes/notes/fix_admin_keystoneauth1-ed534462434.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+    - Having the CLI command display non-redundant information
+      for module-list when invoked with admin privileges now
+      works with both keystone V2 and V3. Bug 1622019
diff --git a/troveclient/utils.py b/troveclient/utils.py
index 9fb12b1c..61216560 100644
--- a/troveclient/utils.py
+++ b/troveclient/utils.py
@@ -246,6 +246,17 @@ def find_resource(manager, name_or_id):
         raise exceptions.CommandError(msg)
 
 
+def is_admin(cs):
+    is_admin = False
+    try:
+        is_admin = 'admin' in cs.client.auth.auth_ref.role_names
+    except Exception:
+        print("Warning: Could not determine current role. Assuming non-admin")
+        pass
+
+    return is_admin
+
+
 class HookableMixin(object):
     """Mixin so classes can register and run hooks."""
     _hooks_map = {}
diff --git a/troveclient/v1/shell.py b/troveclient/v1/shell.py
index 86eae0e8..08d1aedb 100644
--- a/troveclient/v1/shell.py
+++ b/troveclient/v1/shell.py
@@ -1736,19 +1736,7 @@ def do_module_list(cs, args):
                   'datastore_version', 'auto_apply',
                   'priority_apply', 'apply_order', 'is_admin',
                   'tenant', 'visible']
-    is_admin = False
-    try:
-        try:
-            roles = cs.client.auth.auth_ref['user']['roles']
-        except TypeError:
-            roles = cs.client.auth.auth_ref._data['access']['user']['roles']
-        role_names = [role['name'] for role in roles]
-        is_admin = 'admin' in role_names
-    except TypeError:
-        pass
-    except AttributeError:
-        pass
-    if not is_admin:
+    if not utils.is_admin(cs):
         field_list = field_list[:-2]
     utils.print_list(
         module_list, field_list,