diff --git a/compiler/optimizing/instruction_builder.cc b/compiler/optimizing/instruction_builder.cc
index f8f813e..e7f0872 100644
--- a/compiler/optimizing/instruction_builder.cc
+++ b/compiler/optimizing/instruction_builder.cc
@@ -3096,6 +3096,7 @@
           LoadLocal(instruction.VRegA_11x(), DataType::Type::kReference),
           HMonitorOperation::OperationKind::kEnter,
           dex_pc));
+      graph_->SetHasMonitorOperations(true);
       break;
     }
 
@@ -3104,6 +3105,7 @@
           LoadLocal(instruction.VRegA_11x(), DataType::Type::kReference),
           HMonitorOperation::OperationKind::kExit,
           dex_pc));
+      graph_->SetHasMonitorOperations(true);
       break;
     }