diff --git a/app.py b/app.py
index 81cc10b..76edaf1 100644
--- a/app.py
+++ b/app.py
@@ -930,7 +930,7 @@ def note_by_id(note_id):
     thread = _build_thread(data)
     app.logger.info(f"thread={thread!r}")
 
-    likes = list(
+    raw_likes = list(
         DB.activities.find(
             {
                 "meta.undo": False,
@@ -944,10 +944,15 @@ def note_by_id(note_id):
             }
         )
     )
-    likes = [doc["meta"]["actor"] for doc in likes]
+    likes = []
+    for doc in raw_likes:
+        try:
+            likes.append(doc["meta"]["actor"])
+        except Exception:
+            app.logger.exception(f"invalid doc: {doc!r}")
     app.logger.info(f"likes={likes!r}")
 
-    shares = list(
+    raw_shares = list(
         DB.activities.find(
             {
                 "meta.undo": False,
@@ -960,7 +965,12 @@ def note_by_id(note_id):
             }
         )
     )
-    shares = [doc["meta"]["actor"] for doc in shares]
+    shares = []
+    for doc in raw_shares:
+        try:
+            shares.append(doc["meta"]["actor"])
+        except Exception:
+            app.logger.exception(f"invalid doc: {doc!r}")
     app.logger.info(f"shares={shares!r}")
 
     return render_template(
diff --git a/templates/stream.html b/templates/stream.html
index ca22897..37d1394 100644
--- a/templates/stream.html
+++ b/templates/stream.html
@@ -14,7 +14,9 @@
 
 	{% if item | has_type('Announce') %}
 	{% set boost_actor = item.meta.actor %}
+    {% if boost_actor %}
 	<p style="margin-left:70px;padding-bottom:5px;"><span class="bar-item-no-hover"><a style="color:#808080;" href="{{ boost_actor.url | get_url }}">{{ boost_actor.name or boost_actor.preferredUsername }}</a> boosted</span></p>
+    {% endif %}
 	{% if item.meta.object %}
 	{{ utils.display_note(item.meta.object, ui=True) }}
 	{% endif %}
diff --git a/templates/utils.html b/templates/utils.html
index 3659366..6dc11e1 100644
--- a/templates/utils.html
+++ b/templates/utils.html
@@ -195,14 +195,14 @@
 <div style="padding-top:20px;" class="pure-g">
 {% if likes %}
 <div class="pure-u-1-2">
-<h4 style="font-weight:normal"><strong>{{ meta.count_like }}</strong> likes</h4>{% for like in likes %}
+<h4 style="font-weight:normal"><strong>{{ likes|length }}</strong> likes</h4>{% for like in likes %}
 {{ display_actor_inline(like) }}
 {% endfor %}
 </div>
 {% endif %}
 {% if shares %}
 <div class="pure-u-1-2">
-<h4 style="font-weight:normal"><strong>{{ meta.count_boost }}</strong> boosts</h4>{% for boost in shares %}
+<h4 style="font-weight:normal"><strong>{{ shares|length }}</strong> boosts</h4>{% for boost in shares %}
 {{ display_actor_inline(boost) }}
 {% endfor %}
 </div>