diff --git a/src/common/fiber.cpp b/src/common/fiber.cpp
index 69eca732eb..1b201c47af 100644
--- a/src/common/fiber.cpp
+++ b/src/common/fiber.cpp
@@ -33,6 +33,9 @@ struct Fiber::FiberImpl {
     boost::context::detail::fcontext_t context{};
     boost::context::detail::fcontext_t rewind_context{};
 
+    boost::context::detail::fcontext_t context{};
+    boost::context::detail::fcontext_t rewind_context{};
+
     std::mutex guard;
     std::function<void()> entry_point;
     std::function<void()> rewind_point;