diff --git a/files/gvm_library.py b/files/gvm_library.py
index 9a62d2fd60bc8393539b81aa008c2906118f90c7..a6fbc975698f02d00d1db68c772025b829da9560 100644
--- a/files/gvm_library.py
+++ b/files/gvm_library.py
@@ -470,6 +470,7 @@ class Task:
                 else:
                     if o in known_issues:
                         msg += " => DROPPED (not accepted but known)"
+                        logging.debug(msg)
                         continue
                     else:
                         msg += " => NEW (not accepted and not known)"