diff --git a/src/jsparse.h b/src/jsparse.h
index e38d2b975..b98e7013f 100644
--- a/src/jsparse.h
+++ b/src/jsparse.h
@@ -118,6 +118,8 @@ typedef enum  {
   /** Break when a function finishes execution */
   EXEC_DEBUGGER_FINISH_FUNCTION = 32768,
   EXEC_DEBUGGER_MASK = EXEC_DEBUGGER_NEXT_LINE | EXEC_DEBUGGER_STEP_INTO | EXEC_DEBUGGER_FINISH_FUNCTION,
+#else
+  EXEC_DEBUGGER_MASK = 0,
 #endif
 
   EXEC_RUN_MASK = EXEC_YES|EXEC_BREAK|EXEC_CONTINUE|EXEC_RETURN|EXEC_INTERRUPTED|EXEC_EXCEPTION,