diff --git a/bootstrap/vita/sbrk.c b/bootstrap/vita/sbrk.c
index d610d64c38..49df34fa57 100644
--- a/bootstrap/vita/sbrk.c
+++ b/bootstrap/vita/sbrk.c
@@ -15,6 +15,8 @@ static int _newlib_vm_memblock;
 extern int _newlib_heap_size_user __attribute__((weak));
 extern int _newlib_vm_size_user __attribute__((weak));
 
+#define ALIGN(x, a)	(((x) + ((a) - 1)) & ~((a) - 1))
+
 void * _sbrk_r(struct _reent *reent, ptrdiff_t incr) {
 	if (sceKernelLockLwMutex((struct SceKernelLwMutexWork*)_newlib_sbrk_mutex, 1, 0) < 0)
 		goto fail;
@@ -36,8 +38,8 @@ void _init_vita_heap(void) {
 
 	int _newlib_vm_size = 0;
 	if (&_newlib_vm_size_user != NULL) {
-		_newlib_vm_size = _newlib_vm_size_user;
-	  _newlib_vm_memblock = sceKernelAllocMemBlockForVM("code", _newlib_vm_size_user);
+	  _newlib_vm_size = ALIGN(_newlib_vm_size_user, 0x100000);
+	  _newlib_vm_memblock = sceKernelAllocMemBlockForVM("code", _newlib_vm_size);
 
 	  if (_newlib_vm_memblock < 0){
 	    //sceClibPrintf("sceKernelAllocMemBlockForVM failed\n");