diff --git a/.appveyor.yml b/.appveyor.yml
index 0199ebb..d33d14a 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -3,7 +3,7 @@ os: Visual Studio 2015
 clone_depth: 1
 environment:
   matrix:
-  - CMAKE_ARGS: -DSDL2PP_ENABLE_LIVE_TESTS=OFF -G "Visual Studio 14 2015"
+  - CMAKE_ARGS: -DSDL2PP_ENABLE_LIVE_TESTS=OFF -DCMAKE_CXX_FLAGS=/wd4275 -G "Visual Studio 14 2015"
     PREFIX: c:\usr_msvc
     MSVC:
     MINGW32: rem