diff --git a/python/icicle/__init__.py b/python/icicle/__init__.py
index 3e931e5..9ea7cb0 100644
--- a/python/icicle/__init__.py
+++ b/python/icicle/__init__.py
@@ -79,7 +79,7 @@ class Icicle:
     def __init__(self, architecture: str, *,
                  jit = True,
                  jit_mem = True,
-                 shadow_stack = True,
+                 shadow_stack = False,
                  recompilation = True,
                  track_uninitialized = False,
                  optimize_instructions = True,
diff --git a/src/lib.rs b/src/lib.rs
index 6a9c8a0..a181847 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -274,7 +274,7 @@ impl Icicle {
         architecture,
         jit = true,
         jit_mem = true,
-        shadow_stack = true,
+        shadow_stack = false,
         recompilation = true,
         track_uninitialized = false,
         optimize_instructions = true,