diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 66d5bfe..58030df 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -5787,10 +5787,10 @@
   HBoundsCheck(HInstruction* index,
                HInstruction* length,
                uint32_t dex_pc,
-               bool string_char_at = false)
+               bool is_string_char_at = false)
       : HExpression(index->GetType(), SideEffects::CanTriggerGC(), dex_pc) {
     DCHECK_EQ(DataType::Type::kInt32, DataType::Kind(index->GetType()));
-    SetPackedFlag<kFlagIsStringCharAt>(string_char_at);
+    SetPackedFlag<kFlagIsStringCharAt>(is_string_char_at);
     SetRawInputAt(0, index);
     SetRawInputAt(1, length);
   }