diff --git a/src/compiler/codegen/MethodCodegenDriver.cc b/src/compiler/codegen/MethodCodegenDriver.cc
index 7898ddb..a07e569 100644
--- a/src/compiler/codegen/MethodCodegenDriver.cc
+++ b/src/compiler/codegen/MethodCodegenDriver.cc
@@ -1020,7 +1020,7 @@
     return;
   }
   DCHECK_EQ(bb->startOffset, 0);
-  DCHECK(bb->firstMIRInsn != 0);
+  DCHECK(bb->firstMIRInsn != NULL);
 
   /* Get the first instruction */
   MIR* mir = bb->firstMIRInsn;