diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0d865fb21..5097e9d80 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -240,7 +240,6 @@ jobs:
         echo "-- runner.workspace: ${{ runner.workspace }}"
         echo "-- github.workspace: ${{ github.workspace }}"
     - name: Build tests
-      if: ${{ false }}
       run: |
         cmake `
           --build build `
@@ -249,9 +248,7 @@ jobs:
           --target sfizz_tests `
           --verbose `
     - name: Run tests
-      if: ${{ false }}
       run: |
-        .\build\tests\${{ env.build_type }}\sfizz_tests.exe
         ctest `
           --build-config ${{ env.build_type }} `
           --debug `
diff --git a/external/st_audiofile/src/st_audiofile.c b/external/st_audiofile/src/st_audiofile.c
index d29f6a2b7..6b6f3c6ef 100644
--- a/external/st_audiofile/src/st_audiofile.c
+++ b/external/st_audiofile/src/st_audiofile.c
@@ -185,7 +185,7 @@ static st_audio_file* st_generic_open_file(const void* filename, int widepath)
 #if defined(_WIN32)
         // WavPack expects an UTF8 input and has no widechar api, so we convert the filename back...
         unsigned wsize = wcslen(filename);
-        unsigned size = WideCharToMultiByte(CP_UTF8, 0, filename, wsize, NULL, 0, 0, NULL, NULL);
+        unsigned size = WideCharToMultiByte(CP_UTF8, 0, filename, wsize, NULL, 0, NULL, NULL);
         char *buffer = (char*)malloc((size+1) * sizeof(char));
         WideCharToMultiByte(CP_UTF8, 0, filename, wsize, buffer, size, NULL, NULL);
         buffer[size] = '\0';