diff --git a/.appveyor.yml b/.appveyor.yml
index 8523478..e11acd4 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -19,5 +19,8 @@ build_script:
   - meson test -C build
   # Test the VC++ static library build, which is separate
   - msbuild otherbuilds\rubberband-library.vcxproj /t:Build /p:Configuration=Release
-  # And test the .NET FFI interface build, which is again separate
+  # Test the .NET FFI interface build, which is again separate
   - msbuild dotnet\rubberband.sln /t:Restore;Build
+  # And test the single-file build
+  - cl main\main.cpp single\RubberBandSingle.cpp .\src\ext\getopt\getopt.c src\ext\getopt\getopt_long.c 'C:\Program Files\libsndfile\lib\sndfile.lib' /O2 /std:c++14 /D_USE_MATH_DEFINES /DNOMINMAX /EHs /I"C:\Program Files\libsndfile\include" /link /out:test_single.exe
+  - .\test_single.exe -V