diff --git a/include/tlsuv/tls_engine.h b/include/tlsuv/tls_engine.h
index 33bfb76..48705fb 100644
--- a/include/tlsuv/tls_engine.h
+++ b/include/tlsuv/tls_engine.h
@@ -27,7 +27,7 @@ extern "C" {
 #endif
 
 #if _WIN32
-typedef HANDLE tls_enging_fd_t;
+typedef HANDLE tls_engine_fd_t;
 #else
 typedef int tls_engine_fd_t;
 #endif