diff --git a/.appveyor.yml b/.appveyor.yml
index 91693aa9..ff607f84 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -33,7 +33,9 @@ for:
   before_build:
   - chmod +x ${APPVEYOR_BUILD_FOLDER}/scripts/appveyor/before_build.sh
   - ${APPVEYOR_BUILD_FOLDER}/scripts/appveyor/before_build.sh
-  build_script: cd build && make -j2
+  build_script:
+  - cd build && make -j2
+  - tests/sfizz_tests
   after_build:
   - chmod +x ${APPVEYOR_BUILD_FOLDER}/scripts/appveyor/after_build.sh
   - ${APPVEYOR_BUILD_FOLDER}/scripts/appveyor/after_build.sh
diff --git a/scripts/appveyor/before_build.cmd b/scripts/appveyor/before_build.cmd
index 6b7fa13e..a9fa0f65 100644
--- a/scripts/appveyor/before_build.cmd
+++ b/scripts/appveyor/before_build.cmd
@@ -8,7 +8,7 @@ if %platform%==x64 set RELEASE_ARCH=x64
 cmake .. -G"Visual Studio 16 2019" -A"%RELEASE_ARCH%"^
  -DSFIZZ_JACK=OFF^
  -DSFIZZ_BENCHMARKS=OFF^
- -DSFIZZ_TESTS=OFF^
+ -DSFIZZ_TESTS=ON^
  -DSFIZZ_LV2=ON^
  -DSFIZZ_VST=ON^
  -DCMAKE_BUILD_TYPE=Release^
diff --git a/scripts/appveyor/before_build.sh b/scripts/appveyor/before_build.sh
index bd242fbb..d7af42be 100644
--- a/scripts/appveyor/before_build.sh
+++ b/scripts/appveyor/before_build.sh
@@ -6,7 +6,7 @@ mkdir -p build/${INSTALL_DIR} && cd build
 cmake -DCMAKE_BUILD_TYPE=Release \
       -DSFIZZ_VST=ON \
       -DSFIZZ_AU=ON \
-      -DSFIZZ_TESTS=OFF \
+      -DSFIZZ_TESTS=ON \
       -DCMAKE_CXX_STANDARD=14 \
       -DLV2PLUGIN_INSTALL_DIR=/Library/Audio/Plug-Ins/LV2 \
       -DVSTPLUGIN_INSTALL_DIR=/Library/Audio/Plug-Ins/VST3 \