diff --git a/appveyor.yml b/appveyor.yml
index e9b66fc51..97b8f07cc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,7 +7,7 @@ clone_folder: c:\Cosmos
 
 init:
 - cmd: |
-    git clone https://github.com/CosmosOS/IL2CPU.git c:\IL2CPU --depth 1
+    git clone https://github.com/CosmosOS/IL2CPU.git c:\IL2CPU --depth 1 -b netcoreapp2.1
 
 build_script:
 - cmd: |