diff --git a/src/compiler/driver/compiler_driver.h b/src/compiler/driver/compiler_driver.h
index f398e31..af04cbf 100644
--- a/src/compiler/driver/compiler_driver.h
+++ b/src/compiler/driver/compiler_driver.h
@@ -41,7 +41,8 @@
 
 enum CompilerBackend {
   kQuick,
-  kPortable
+  kPortable,
+  kNoBackend
 };
 
 // Thread-local storage compiler worker threads