diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f152855..a624a7c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Build Wheels
         env:
           CIBW_ARCHS: "auto64"
-          CIBW_SKIP: "cp36-* cp37-* cp310-win* cp311-win* cp312-*"
+          CIBW_SKIP: "cp36-* cp37-* cp312-*"
         run: |
           python -m pip install cibuildwheel
           python -m cibuildwheel --output-dir wheelhouse
diff --git a/fast_align_audio/_alignment_cffi.py b/fast_align_audio/_alignment_cffi.py
index c616896..9c26af6 100644
--- a/fast_align_audio/_alignment_cffi.py
+++ b/fast_align_audio/_alignment_cffi.py
@@ -5,7 +5,7 @@
 ffibuilder = FFI()
 ffibuilder.cdef("""
     typedef struct {
-        ssize_t min_idx;
+        int min_idx;
         float min_val;
     } MinResult;
 """)
diff --git a/fast_align_audio/_faa.c b/fast_align_audio/_faa.c
index 93d5b4f..fe3d646 100644
--- a/fast_align_audio/_faa.c
+++ b/fast_align_audio/_faa.c
@@ -49,7 +49,7 @@ static size_t my_min3(size_t a, size_t b, size_t c) {
 }
 
 typedef struct {
-    ssize_t min_idx;
+    int min_idx;
     float min_val;
 } MinResult;
 
@@ -70,7 +70,7 @@ MinResult fast_find_alignment(size_t a_len, float *a,
             float d2 = fastmse(result.min_val, my_min3(a_len, b_len - i, max_lookahead), a, &b[i]);
             if (d2 < result.min_val) {
                 result.min_val = d2;
-                result.min_idx = -(ssize_t)i;
+                result.min_idx = -i;
             }
         }
     }
diff --git a/setup.py b/setup.py
index 4b55610..2a4d245 100644
--- a/setup.py
+++ b/setup.py
@@ -48,6 +48,8 @@ def find_version(*file_paths):
         "License :: OSI Approved :: ISC License (ISCL)",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
     ],
     url="https://github.com/nomonosound/fast-align-audio",
 )