diff --git a/src/system/boot/platform/bios_ia32/start.c b/src/system/boot/platform/bios_ia32/start.c
index 85fa14b75f..105d4a4d74 100644
--- a/src/system/boot/platform/bios_ia32/start.c
+++ b/src/system/boot/platform/bios_ia32/start.c
@@ -23,7 +23,7 @@
 #include <string.h>
 
 
-#define HEAP_SIZE 65536
+#define HEAP_SIZE (128 * 1024)
 
 // GCC defined globals
 extern void (*__ctor_list)(void);