diff --git a/src/debug/mips/debug-mips.cc b/src/debug/mips/debug-mips.cc
index 8e00d61..49320d8 100644
--- a/src/debug/mips/debug-mips.cc
+++ b/src/debug/mips/debug-mips.cc
@@ -41,7 +41,7 @@
 
 void DebugCodegen::PatchDebugBreakSlot(Isolate* isolate, Address pc,
                                        Handle<Code> code) {
-  DCHECK_EQ(Code::BUILTIN, code->kind());
+  DCHECK(code->is_debug_stub());
   CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotInstructions);
   // Patch the code changing the debug break slot code from:
   //   nop(DEBUG_BREAK_NOP) - nop(1) is sll(zero_reg, zero_reg, 1)