diff --git a/src/xenia/kernel/xthread.cc b/src/xenia/kernel/xthread.cc
index 6918b321a..593096c23 100644
--- a/src/xenia/kernel/xthread.cc
+++ b/src/xenia/kernel/xthread.cc
@@ -241,7 +241,7 @@ bool XThread::AllocateStack(uint32_t size) {
   stack_base_ = stack_limit_ + size;
 
   // Initialize the stack with junk
-  memory()->Fill(stack_alloc_base_, actual_size, 0xBE);
+  memory()->Fill(stack_alloc_base_, actual_size, 0x00);
 
   // Setup the guard pages
   heap->Protect(stack_alloc_base_, padding / 2, kMemoryProtectNoAccess);