diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp
index f363903..d297d24 100644
--- a/lib/Target/X86/X86JITInfo.cpp
+++ b/lib/Target/X86/X86JITInfo.cpp
@@ -297,6 +297,7 @@
       push  edx
       push  ecx
       and   esp, -16
+      sub   esp, 16
       mov   eax, dword ptr [ebp+4]
       mov   dword ptr [esp+4], eax
       mov   dword ptr [esp], ebp