1 files changed, 2 insertions, 2 deletions
diff --git a/src/vhdl/configuration.adb b/src/vhdl/configuration.adb
index f0a04897d..54cbfef22 100644
--- a/src/vhdl/configuration.adb
+++ b/src/vhdl/configuration.adb
@@ -412,8 +412,8 @@ package body Configuration is
                end if;
                return True;
             end if;
-         when others =>
-            Error_Kind ("check_open_port", Port);
+         when Iir_Unknown_Mode =>
+            raise Internal_Error;
       end case;
       return False;
    end Check_Open_Port;