diff --git a/ion/src/simulator/shared/main_headless.cpp b/ion/src/simulator/shared/main_headless.cpp
index 8dd954729..0f1fee2de 100644
--- a/ion/src/simulator/shared/main_headless.cpp
+++ b/ion/src/simulator/shared/main_headless.cpp
@@ -14,7 +14,11 @@
 #endif
 
 constexpr int kHeapSize = 131072;
+#if DEBUG
+constexpr int kStackSize = 32768*2; // In DEBUG mode, we increase the stack to be able to pass the tests
+#else
 constexpr int kStackSize = 32768;
+#endif
 
 char heap[kHeapSize];
 extern "C" {