diff --git a/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index 3f0681517e3..e8fb4d5c47a 100644
--- a/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -484,7 +484,7 @@ bool AddressSanitizer::insertGlobalRedzones(Module &M) {
     Indices2[1] = IRB.getInt32(0);
 
     G->replaceAllUsesWith(
-        ConstantExpr::getGetElementPtr(NewGlobal, Indices2, 2));
+        ConstantExpr::getGetElementPtr(NewGlobal, Indices2, true));
     NewGlobal->takeName(G);
     G->eraseFromParent();