diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index e22d72c..3d54329 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -44,7 +44,7 @@
                cl::Prefix,
                cl::values(clEnumVal(simple, "  simple spiller"),
                           clEnumVal(local,  "  local spiller"),
-                          0),
+                          clEnumValEnd),
                cl::init(local));
 }