diff --git a/builtin/providers/azurerm/resource_arm_virtual_machine_test.go b/builtin/providers/azurerm/resource_arm_virtual_machine_test.go
index 3593b47e9..6bd4e2cc1 100644
--- a/builtin/providers/azurerm/resource_arm_virtual_machine_test.go
+++ b/builtin/providers/azurerm/resource_arm_virtual_machine_test.go
@@ -208,7 +208,7 @@ func TestAccAzureRMVirtualMachine_updateMachineSize_managedDisk(t *testing.T) {
 				Check: resource.ComposeTestCheckFunc(
 					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &vm),
 					resource.TestCheckResourceAttr(
-						"azurerm_virtual_machine.test", "vm_size", "Standard_A1"),
+						"azurerm_virtual_machine.test", "vm_size", "Standard_DS1"),
 				),
 			},
 		},