diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 6c77232..39cbe5e 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -8301,7 +8301,7 @@
   uint32_t code_offset = info.label.Position() - kLabelPositionToLiteralOffsetAdjustment;
   uintptr_t address =
       reinterpret_cast<uintptr_t>(roots_data) + index_in_table * sizeof(GcRoot<mirror::Object>);
-  typedef __attribute__((__aligned__(1))) uint32_t unaligned_uint32_t;
+  using unaligned_uint32_t __attribute__((__aligned__(1))) = uint32_t;
   reinterpret_cast<unaligned_uint32_t*>(code + code_offset)[0] =
      dchecked_integral_cast<uint32_t>(address);
 }