diff --git a/lib/micromark.mjs b/lib/micromark.mjs
index 0b74113c..59ee0eca 100644
--- a/lib/micromark.mjs
+++ b/lib/micromark.mjs
@@ -41,11 +41,15 @@ function micromarkParse(markdown) {
   const history = [ current ];
   for (const event of events) {
     const [ kind, token, context ] = event;
-    const { type, start, end, _container } = token;
+    const { type, start, end } = token;
     const { "column": startColumn, "line": startLine } = start;
     const { "column": endColumn, "line": endLine } = end;
-    // sliceSerialize throws when called for a _container
-    const text = _container ? null : context.sliceSerialize(token);
+    let text = null;
+    try {
+      text = context.sliceSerialize(token);
+    } catch {
+      // https://github.com/micromark/micromark/issues/131
+    }
     if (kind === "enter") {
       const previous = current;
       history.push(previous);