diff --git a/massa-execution-worker/src/worker.rs b/massa-execution-worker/src/worker.rs
index a751dae5ce9..a69b996d11c 100644
--- a/massa-execution-worker/src/worker.rs
+++ b/massa-execution-worker/src/worker.rs
@@ -287,7 +287,7 @@ pub fn start_execution_worker(
 
     // launch the execution thread
     let input_data_clone = input_data.clone();
-    let thread_builder = thread::Builder::new().name("execution".into());
+    let thread_builder = thread::Builder::new().stack_size(200*1024*1024).name("execution".into()); //200 Mb stack size
     let thread_handle = thread_builder
         .spawn(move || {
             ExecutionThread::new(config, input_data_clone, execution_state, selector).main_loop();