diff --git a/include/xrpl/core/Coro.ipp b/include/xrpl/core/Coro.ipp
index b397fcd65c..36b1ce9a71 100644
--- a/include/xrpl/core/Coro.ipp
+++ b/include/xrpl/core/Coro.ipp
@@ -8,14 +8,16 @@ JobQueue::Coro::Coro(Coro_create_t, JobQueue& jq, JobType type, std::string cons
     , type_(type)
     , name_(name)
     , running_(false)
-    , coro_([this, fn = std::forward<F>(f)](boost::coroutines2::coroutine<void>::push_type& do_yield) {
-        yield_ = &do_yield;
-        yield();
-        fn(shared_from_this());
+    , coro_(
+          boost::context::fixedsize_stack(4 * 1024 * 1024),
+          [this, fn = std::forward<F>(f)](boost::coroutines2::coroutine<void>::push_type& do_yield) {
+              yield_ = &do_yield;
+              yield();
+              fn(shared_from_this());
 #ifndef NDEBUG
-        finished_ = true;
+              finished_ = true;
 #endif
-    })
+          })
 {
 }