diff --git a/appveyor.yml b/appveyor.yml
index 7e9155e6db..5dc1476392 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,7 +13,7 @@ configuration:
   - Release
 
 install:
-  - git submodule update --init --recursive --depth 20
+  - git submodule update --init --recursive
 
 before_build:
   - mkdir build