diff --git a/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index f516f5d..b547e52 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -696,9 +696,7 @@
 // <va_list> llvm.va_start() - Implement the va_start operation...
 GenericValue llvm_va_start(FunctionType *F, const vector<GenericValue> &Args) {
   assert(Args.size() == 0);
-  GenericValue Val;
-  Val.UIntVal = 0;   // Start at the first '...' argument...
-  return Val;
+  return TheInterpreter->getFirstVarArg();
 }
 
 // void llvm.va_end(<va_list> *) - Implement the va_end operation...