diff --git a/lang/cpp/src/context.h b/lang/cpp/src/context.h
index 4cd5b307..aff8e49a 100644
--- a/lang/cpp/src/context.h
+++ b/lang/cpp/src/context.h
@@ -408,7 +408,8 @@ public:
     enum SpawnFlags {
         SpawnNone = 0,
         SpawnDetached = 1,
-        SpawnAllowSetFg = 2
+        SpawnAllowSetFg = 2,
+        SpawnShowWindow = 4
     };
     /** Spwan the process \a file with arguments \a argv.
      *