diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index be211949799..14f09f04567 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -1516,7 +1516,8 @@ void PointerType::typeBecameConcrete(const DerivedType *AbsTy) {
 
 bool SequentialType::indexValid(const Value *V) const {
   if (const IntegerType *IT = dyn_cast<IntegerType>(V->getType())) 
-    return IT->getBitWidth() == 32 || IT->getBitWidth() == 64;
+    return IT->getBitWidth() == 16 ||
+           IT->getBitWidth() == 32 || IT->getBitWidth() == 64;
   return false;
 }