diff --git a/compiler/optimizing/loop_optimization.cc b/compiler/optimizing/loop_optimization.cc
index 5a95abd..da2acd1 100644
--- a/compiler/optimizing/loop_optimization.cc
+++ b/compiler/optimizing/loop_optimization.cc
@@ -1001,8 +1001,9 @@
       vector = new (global_allocator_) HVecStore(
           global_allocator_, org->InputAt(0), opa, opb, type, vector_length_);
     } else  {
+      bool is_string_char_at = org->AsArrayGet()->IsStringCharAt();
       vector = new (global_allocator_) HVecLoad(
-          global_allocator_, org->InputAt(0), opa, type, vector_length_);
+          global_allocator_, org->InputAt(0), opa, type, vector_length_, is_string_char_at);
     }
   } else {
     // Scalar store or load.
@@ -1010,7 +1011,9 @@
     if (opb != nullptr) {
       vector = new (global_allocator_) HArraySet(org->InputAt(0), opa, opb, type, kNoDexPc);
     } else  {
-      vector = new (global_allocator_) HArrayGet(org->InputAt(0), opa, type, kNoDexPc);
+      bool is_string_char_at = org->AsArrayGet()->IsStringCharAt();
+      vector = new (global_allocator_) HArrayGet(
+          org->InputAt(0), opa, type, kNoDexPc, is_string_char_at);
     }
   }
   vector_map_->Put(org, vector);