diff --git a/include/hermes/VM/Runtime.h b/include/hermes/VM/Runtime.h
index 4f1fdf90608..700cb000722 100644
--- a/include/hermes/VM/Runtime.h
+++ b/include/hermes/VM/Runtime.h
@@ -1626,7 +1626,7 @@ class ScopedNativeDepthReducer {
   // This is empirically good enough.
   static constexpr int kReducedNativeStackGap =
 #if LLVM_ADDRESS_SANITIZER_BUILD
-      256 * 1024;
+      128 * 1024;
 #else
       32 * 1024;
 #endif
diff --git a/lib/VM/Runtime.cpp b/lib/VM/Runtime.cpp
index 39db4bc4282..950fd77b10d 100644
--- a/lib/VM/Runtime.cpp
+++ b/lib/VM/Runtime.cpp
@@ -87,7 +87,7 @@ static constexpr uint32_t kMaxSupportedNumRegisters =
 /// The minimum stack gap allowed from RuntimeConfig.
 static constexpr uint32_t kMinSupportedNativeStackGap =
 #if LLVM_ADDRESS_SANITIZER_BUILD
-    512 * 1024;
+    256 * 1024;
 #else
     64 * 1024;
 #endif