diff --git a/tasks.py b/tasks.py
index 5793e8b..d7f5f05 100644
--- a/tasks.py
+++ b/tasks.py
@@ -117,7 +117,8 @@ def process_new_activity(self, iri: str) -> None:
         )
 
         log.info(f"new activity {iri} processed")
-        cache_actor.delay(iri)
+        if not should_delete:
+            cache_actor.delay(iri)
     except (ActivityGoneError, ActivityNotFoundError):
         log.exception(f"dropping activity {iri}, skip processing")
     except Exception as err:
diff --git a/templates/utils.html b/templates/utils.html
index c3b586e..c428fe6 100644
--- a/templates/utils.html
+++ b/templates/utils.html
@@ -1,4 +1,5 @@
 {% macro display_actor_inline(follower, size=50) -%}
+{% if follower and follower.id %}
 <a class="actor-box" href="{{follower | url_or_id | get_url }}" style="clear:both;">
 <span style="float:left;padding-right:15px;">
 {% if not follower.icon %}
@@ -11,6 +12,7 @@
 <small class="lcolor">@{{ follower.preferredUsername }}@{{ follower | url_or_id | get_url | domain }}</small>
 </div>
 </a>
+{% endif %}
 {%- endmacro %}