diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp
index 599c769..886dd9f 100644
--- a/lib/Analysis/ConstantFolding.cpp
+++ b/lib/Analysis/ConstantFolding.cpp
@@ -74,7 +74,7 @@
         Offset += TD.getStructLayout(ST)->getElementOffset(CI->getZExtValue());
       } else {
         const SequentialType *SQT = cast<SequentialType>(*GTI);
-        Offset += TD.getTypeSize(SQT->getElementType())*CI->getSExtValue();
+        Offset += TD.getABITypeSize(SQT->getElementType())*CI->getSExtValue();
       }
     }
     return true;