diff --git a/ci/windows/build.ps1 b/ci/windows/build.ps1
index abb9287461..9a63b2559b 100644
--- a/ci/windows/build.ps1
+++ b/ci/windows/build.ps1
@@ -59,3 +59,4 @@ Write-Output "zig test std/std.zig..."
     --zig-lib-dir "$ZIGLIBDIR" `
     -femit-docs `
     -fno-emit-bin
+CheckLastExitCode