diff --git a/et_feeder/et_feeder.cpp b/et_feeder/et_feeder.cpp
index 061a811d..6cce38a4 100644
--- a/et_feeder/et_feeder.cpp
+++ b/et_feeder/et_feeder.cpp
@@ -172,3 +172,15 @@ void ETFeeder::readNextWindow() {
     }
   }
 }
+
+#define FLAGS   0x4004
+
+void f_warning(int i)
+{
+    // The usage of the logical not operator in this case is unlikely to be correct
+    // as the output is being used as an operator for a bit-wise and operation
+    if (i & !FLAGS) 
+    {
+        // code
+    }
+}