diff --git a/guest/rialto/src/main.rs b/guest/rialto/src/main.rs
index 8095a1f..8f5a670 100644
--- a/guest/rialto/src/main.rs
+++ b/guest/rialto/src/main.rs
@@ -50,7 +50,7 @@
     main,
     memory::{
         init_shared_pool, map_rodata, map_rodata_outside_main_memory, resize_available_memory,
-        switch_to_dynamic_page_tables, PageTable, PAGE_SIZE, SIZE_128KB,
+        switch_to_dynamic_page_tables, PageTable, SIZE_128KB,
     },
     power::reboot,
     virtio::{
@@ -76,7 +76,7 @@
 
     page_table.map_data(&layout::data_bss_range().into())?;
     page_table.map_data(&layout::eh_stack_range().into())?;
-    page_table.map_data(&layout::stack_range(40 * PAGE_SIZE).into())?;
+    page_table.map_data(&layout::stack_range().into())?;
     page_table.map_code(&layout::text_range().into())?;
     page_table.map_rodata(&layout::rodata_range().into())?;
     page_table.map_device(&layout::console_uart_page().into())?;