diff --git a/troveclient/tests/test_v1_shell.py b/troveclient/tests/test_v1_shell.py
index 660b7890..58c9d4cb 100644
--- a/troveclient/tests/test_v1_shell.py
+++ b/troveclient/tests/test_v1_shell.py
@@ -274,6 +274,10 @@ class ShellTest(utils.TestCase):
         self.run_command('cluster-force-delete cls-1234')
         self.assert_called('DELETE', '/clusters/cls-1234')
 
+    def test_boot_fail_with_size_0(self):
+        self.assertRaises(exceptions.ValidationError, self.run_command,
+                          'create test-member-1 1 --size 0 --volume_type lvm')
+
     def test_boot(self):
         self.run_command('create test-member-1 1 --size 1 --volume_type lvm')
         self.assert_called_anytime(
diff --git a/troveclient/v1/shell.py b/troveclient/v1/shell.py
index 712aa830..7fef8cbf 100644
--- a/troveclient/v1/shell.py
+++ b/troveclient/v1/shell.py
@@ -521,7 +521,11 @@ def do_create(cs, args):
     """Creates a new instance."""
     flavor_id = _find_flavor(cs, args.flavor).id
     volume = None
-    if args.size:
+    if args.size is not None and args.size <= 0:
+        raise exceptions.ValidationError(
+            "Volume size '%s' must be an integer and greater than 0."
+            % args.size)
+    elif args.size:
         volume = {"size": args.size,
                   "type": args.volume_type}
     restore_point = None