diff --git a/appveyor.yml b/appveyor.yml
index 4ea78eae6..e41b4a448 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -32,6 +32,8 @@ environment:
       DYNAMIC_ARCH: ON
 
 install:
+  - ps: Get-ChildItem -Path C:\ -Filter ws2_32.lib -Recurse -ErrorAction SilentlyContinue -Force
+
   - if [%COMPILER%]==[clang-cl] call C:\Miniconda36-x64\Scripts\activate.bat
   - if [%COMPILER%]==[clang-cl] conda config --add channels conda-forge --force
   - if [%COMPILER%]==[clang-cl] conda install --yes clangdev ninja cmake