diff --git a/src/Cache.cpp b/src/Cache.cpp
index b14f7414..e841a9dc 100644
--- a/src/Cache.cpp
+++ b/src/Cache.cpp
@@ -3873,9 +3873,10 @@ Cache::spaces()
                 std::string_view room_data;
                 if (roomsDb_.get(txn, space_id, room_data)) {
                     RoomInfo tmp = nlohmann::json::parse(std::move(room_data)).get<RoomInfo>();
-                    ret.insert(QString::fromUtf8(space_id.data(), space_id.size()), tmp);
+                    ret.insert(QString::fromUtf8(space_id.data(), (qsizetype)space_id.size()), tmp);
                 } else {
-                    ret.insert(QString::fromUtf8(space_id.data(), space_id.size()), std::nullopt);
+                    ret.insert(QString::fromUtf8(space_id.data(), (qsizetype)space_id.size()),
+                               std::nullopt);
                 }
             }
         }
diff --git a/src/Cache_p.h b/src/Cache_p.h
index 2d6df140..a12cb43a 100644
--- a/src/Cache_p.h
+++ b/src/Cache_p.h
@@ -490,13 +490,13 @@ private:
                     if (!eventsDb.get(
                           txn, nlohmann::json::parse(data)["id"].get<std::string>(), value))
                         return std::nullopt;
-                } catch (std::exception &e) {
+                } catch (std::exception &) {
                     return std::nullopt;
                 }
             }
 
             return nlohmann::json::parse(value).get<mtx::events::StateEvent<T>>();
-        } catch (std::exception &e) {
+        } catch (std::exception &) {
             return std::nullopt;
         }
     }
diff --git a/src/MemberList.h b/src/MemberList.h
index 1fbccc63..eb70ddbf 100644
--- a/src/MemberList.h
+++ b/src/MemberList.h
@@ -44,7 +44,7 @@ public:
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
     QString roomName() const { return QString::fromStdString(info_.name); }
-    int memberCount() const { return info_.member_count; }
+    int memberCount() const { return (int)info_.member_count; }
     QString avatarUrl() const { return QString::fromStdString(info_.avatar_url); }
     QString roomId() const { return room_id_; }
     int numUsersLoaded() const { return numUsersLoaded_; }
diff --git a/src/ui/RoomSummary.h b/src/ui/RoomSummary.h
index f5085054..fd19f4c2 100644
--- a/src/ui/RoomSummary.h
+++ b/src/ui/RoomSummary.h
@@ -59,7 +59,7 @@ public:
         return room && room->membership == mtx::events::state::Membership::Invite;
     }
     bool isSpace() const { return room && room->room_type == mtx::events::state::room_type::space; }
-    int memberCount() const { return room ? room->num_joined_members : 0; }
+    int memberCount() const { return room ? (int)room->num_joined_members : 0; }
     bool isKnockOnly() const
     {
         return room && (room->join_rule == mtx::events::state::JoinRule::Knock ||