diff --git a/xconv.c b/xconv.c
index 70ae1eb..bfac7e6 100644
--- a/xconv.c
+++ b/xconv.c
@@ -82,6 +82,9 @@ sqlite_utf8conv(sqlite3_context *c, int argc, sqlite3_value **argv)
 	sqlite3_result_text(c, dst, -1, free);
 }
 
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
 int sqlite3_xconv_init(sqlite3 *db, char **err,
     const sqlite3_api_routines *api)
 {