diff --git a/.appveyor.yml b/.appveyor.yml
index 870bad5..de64f34 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -51,6 +51,7 @@ install:
   - git submodule init libs/config
   - git submodule init libs/core
   - git submodule init libs/static_assert
+  - git submodule init libs/throw_exception
   - git submodule init libs/headers
   - git submodule init tools/build
   - git submodule init tools/boost_install