diff --git a/substrate/client/executor/src/native_executor.rs b/substrate/client/executor/src/native_executor.rs
index 760e0c066b..c94088a155 100644
--- a/substrate/client/executor/src/native_executor.rs
+++ b/substrate/client/executor/src/native_executor.rs
@@ -45,7 +45,7 @@ use sp_externalities::ExternalitiesExt as _;
 use sp_tasks::new_async_externalities;
 
 /// Default num of pages for the heap
-const DEFAULT_HEAP_PAGES: u64 = 1024;
+const DEFAULT_HEAP_PAGES: u64 = 2048;
 
 /// Set up the externalities and safe calling environment to execute runtime calls.
 ///