1 files changed, 1 insertions, 1 deletions
diff --git a/src/synth/netlists.adb b/src/synth/netlists.adb
index cc5210f64..a67265030 100644
--- a/src/synth/netlists.adb
+++ b/src/synth/netlists.adb
@@ -698,7 +698,7 @@ package body Netlists is
       end loop;
 
       for O of Output_Descs loop
-         pragma Assert (O.Dir in Port_Outs);
+         pragma Assert (O.Dir = Port_Out);
          Port_Desc_Table.Append (O);
       end loop;
    end Set_Port_Desc;