diff --git a/src/x64/code-stubs-x64.h b/src/x64/code-stubs-x64.h
index d4f8b29..a181377 100644
--- a/src/x64/code-stubs-x64.h
+++ b/src/x64/code-stubs-x64.h
@@ -295,8 +295,8 @@
                                   Register r2,
                                   Register r3) {
       for (int i = 0; i < Register::kNumRegisters; i++) {
-        Register candidate = Register::from_code(i);
-        if (candidate.IsAllocatable()) {
+        if (RegisterConfiguration::Crankshaft()->IsAllocatableGeneralCode(i)) {
+          Register candidate = Register::from_code(i);
           if (candidate.is(rcx)) continue;
           if (candidate.is(r1)) continue;
           if (candidate.is(r2)) continue;