diff --git a/compiler/optimizing/instruction_simplifier.cc b/compiler/optimizing/instruction_simplifier.cc
index c448153..13d3f75 100644
--- a/compiler/optimizing/instruction_simplifier.cc
+++ b/compiler/optimizing/instruction_simplifier.cc
@@ -1558,6 +1558,7 @@
   // IsNaN(x) is the same as x != x.
   HInstruction* x = invoke->InputAt(0);
   HCondition* condition = new (GetGraph()->GetArena()) HNotEqual(x, x, dex_pc);
+  condition->SetBias(ComparisonBias::kLtBias);
   invoke->GetBlock()->ReplaceAndRemoveInstructionWith(invoke, condition);
 }