diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 613756b..0d39a31 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -58,7 +58,6 @@ jobs:
           name: sqlite-vec-windows-x86_64-extension
           path: dist/*
   build-windows-x86_64-extension-msvc:
-    if: false
     runs-on: windows-2019
     steps:
       - uses: actions/checkout@v4
diff --git a/sqlite-vec.c b/sqlite-vec.c
index 3e8edb0..cfe0c90 100644
--- a/sqlite-vec.c
+++ b/sqlite-vec.c
@@ -6286,6 +6286,9 @@ __declspec(dllexport)
 #define SQLITE_RESULT_SUBTYPE 0x001000000
 #endif
 
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
 int sqlite3_vec_init(sqlite3 *db, char **pzErrMsg,
                      const sqlite3_api_routines *pApi) {
   SQLITE_EXTENSION_INIT2(pApi);
@@ -6379,6 +6382,9 @@ int sqlite3_vec_init(sqlite3 *db, char **pzErrMsg,
   return SQLITE_OK;
 }
 
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
 int sqlite3_vec_fs_read_init(sqlite3 *db, char **pzErrMsg,
                              const sqlite3_api_routines *pApi) {
   UNUSED_PARAMETER(pzErrMsg);