diff --git a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
index 5202b09..326bf79 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -1054,7 +1054,8 @@
   GenericValue Dest, Src = getOperandValue(SrcVal, SF);
   assert(DstTy->isPointerTy() && "Invalid PtrToInt instruction");
 
-  uint32_t PtrSize = TD.getPointerSizeInBits();
+  unsigned AS = cast<PointerType>(DstTy)->getAddressSpace();
+  uint32_t PtrSize = TD.getPointerSizeInBits(AS);
   if (PtrSize != Src.IntVal.getBitWidth())
     Src.IntVal = Src.IntVal.zextOrTrunc(PtrSize);