diff --git a/build.cmd b/build.cmd
index ebb619e737..9415631d6a 100644
--- a/build.cmd
+++ b/build.cmd
@@ -4,6 +4,8 @@ SETLOCAL
 SET REPO_FOLDER=%~dp0
 CD %REPO_FOLDER%
 
+SET NO_PARALLEL_TEST_PROJECTS=E2ETests
+
 SET BUILD_FOLDER=.build
 SET KOREBUILD_FOLDER=%BUILD_FOLDER%\KoreBuild-dotnet
 SET KOREBUILD_VERSION=