diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index 4e2f1cd..c29e283 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -1002,6 +1002,11 @@
       break;
     }
 
+    case Instruction::INT_TO_BYTE: {
+      Conversion_12x(instruction, Primitive::kPrimInt, Primitive::kPrimByte);
+      break;
+    }
+
     case Instruction::ADD_INT: {
       Binop_23x<HAdd>(instruction, Primitive::kPrimInt);
       break;