diff --git a/src/system/boot/platform/bios_ia32/start.cpp b/src/system/boot/platform/bios_ia32/start.cpp
index 6af13dd6da..90dc88e3bd 100644
--- a/src/system/boot/platform/bios_ia32/start.cpp
+++ b/src/system/boot/platform/bios_ia32/start.cpp
@@ -28,7 +28,8 @@
 #include "smp.h"
 
 
-#define HEAP_SIZE (128 * 1024)
+#define HEAP_SIZE (512 * 1024)
+
 
 // GCC defined globals
 extern void (*__ctor_list)(void);