diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 87c74fb..86e84ac 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -877,7 +877,7 @@
       if (rhs.IsRegister()) {
         __ cmpl(lhs.AsRegister<Register>(), rhs.AsRegister<Register>());
       } else if (rhs.IsConstant()) {
-        int32_t constant = rhs.GetConstant()->AsIntConstant()->GetValue();
+        int32_t constant = CodeGenerator::GetInt32ValueOf(rhs.GetConstant());
         if (constant == 0) {
           __ testl(lhs.AsRegister<Register>(), lhs.AsRegister<Register>());
         } else {