diff --git a/appveyor.yml b/appveyor.yml
index 237d284c1..7b5406646 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,6 +5,6 @@ install: []
 build_script:
 - set PATH=C:\Program Files (x86)\MSBuild\14.0\Bin;%PATH%
 - cmake .
-- msbuild json.sln
+- msbuild json.sln /EHsc
 test_script:
 - json_unit.exe