diff --git a/appveyor.yml b/appveyor.yml
index f21f21fd..e490be1e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,6 +5,8 @@ branches:
 skip_tags: true
 image: Visual Studio 2015
 platform: x64
+install:
+  - git submodule update --init --recursive
 build:
   project: vulkanExamples.sln
   parallel: true