diff --git a/cogs/logging_cog.py b/cogs/logging_cog.py
index 5b019da..0cd4775 100644
--- a/cogs/logging_cog.py
+++ b/cogs/logging_cog.py
@@ -65,15 +65,24 @@ class LoggingCog(commands.Cog):
             self.container = ui.Container(accent_colour=color)
             self.add_item(self.container)
 
-            self.header = ui.Section(accessory=(ui.Thumbnail(media=author.display_avatar.url)
-                                                if author else None))
+            self.header = ui.Section(
+                accessory=(
+                    ui.Thumbnail(media=author.display_avatar.url)
+                    if author
+                    else ui.Button(label="\u200b", disabled=True)
+                )
+            )
             self.header.add_item(ui.TextDisplay(f"**{title}**"))
             if description:
                 self.header.add_item(ui.TextDisplay(description))
             self.container.add_item(self.header)
 
-            # Section to hold log fields with no accessory
-            self.fields_section = ui.Section(accessory=None)
+            # Section to hold log fields with no accessory. The API requires a
+            # valid component type, so use a disabled button with an invisible
+            # label as a placeholder accessory.
+            self.fields_section = ui.Section(
+                accessory=ui.Button(label="\u200b", disabled=True)
+            )
             self.container.add_item(self.fields_section)
 
             self.container.add_item(ui.Separator(spacing=discord.SeparatorSpacing.small))
@@ -98,7 +107,7 @@ class LoggingCog(commands.Cog):
             if icon_url:
                 self.header.accessory = ui.Thumbnail(media=icon_url)
             else:
-                self.header.accessory = None
+                self.header.accessory = ui.Button(label="\u200b", disabled=True)
             self.header.add_item(ui.TextDisplay(name))
     def _user_display(self, user: Union[discord.Member, discord.User]) -> str:
         """Return display name, username and ID string for a user."""