diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index c7671e1a26..d0be6ba9d5 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -3211,7 +3211,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
   }
 
   // Convert old value into a number.
-  __ Call(masm->isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.