diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,12 @@
 
+50200.10.3
+==========
+
+Bug fixes:
+ * Fixed an issue where hyperlinks whose labels contained more
+   hyperlinks would cause Matterhorn to generate rendering bug report
+   messages (#674)
+
 50200.10.2
 ==========
 
diff --git a/matterhorn.cabal b/matterhorn.cabal
--- a/matterhorn.cabal
+++ b/matterhorn.cabal
@@ -1,5 +1,5 @@
 name:                matterhorn
-version:             50200.10.2
+version:             50200.10.3
 synopsis:            Terminal client for the Mattermost chat system
 description:         This is a terminal client for the Mattermost chat
                      system. Please see the README for a list of
diff --git a/src/Types/RichText.hs b/src/Types/RichText.hs
--- a/src/Types/RichText.hs
+++ b/src/Types/RichText.hs
@@ -205,6 +205,25 @@
                   C.ParenFollowing -> Paren
     in Numbered dec i
 
+-- | Remove hyperlinks from an inline sequence. This should only be used
+-- for sequences that are themselves used as labels for hyperlinks; this
+-- prevents them from embedding their own hyperlinks, which is nonsense.
+--
+-- Any hyperlinks found in the sequence will be replaced with a text
+-- represent of their URL (if they have no label) or the label itself
+-- otherwise.
+removeHyperlinks :: Seq C.Inline -> Seq C.Inline
+removeHyperlinks is =
+    case Seq.viewl is of
+        h :< t ->
+            case h of
+                C.Link label theUrl _ ->
+                    if Seq.null label
+                    then C.Str theUrl <| removeHyperlinks t
+                    else removeHyperlinks label <> removeHyperlinks t
+                _ -> h <| removeHyperlinks t
+        Seq.EmptyL -> mempty
+
 -- | Convert a sequence of Markdown inline values to a sequence of
 -- Elements.
 --
@@ -291,7 +310,7 @@
           C.Link label theUrl _ :< xs ->
               let mLabel = if Seq.null label
                            then Nothing
-                           else Just $ fromMarkdownInlines label
+                           else Just $ fromMarkdownInlines $ removeHyperlinks label
                   url = URL theUrl
               in (Element (Hyperlink url sty) $ EHyperlink url mLabel) <| go sty xs
           C.Image altIs theUrl _ :< xs ->