diff --git a/stratosphere/set_mitm/source/setmitm_main.cpp b/stratosphere/set_mitm/source/setmitm_main.cpp
index e2f821e64..9df353cbe 100644
--- a/stratosphere/set_mitm/source/setmitm_main.cpp
+++ b/stratosphere/set_mitm/source/setmitm_main.cpp
@@ -31,7 +31,7 @@ extern "C" {
 
     u32 __nx_applet_type = AppletType_None;
 
-    #define INNER_HEAP_SIZE 0x40000
+    #define INNER_HEAP_SIZE 0x28000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;
     char   nx_inner_heap[INNER_HEAP_SIZE];