diff --git a/src/vocab/lookup.ts b/src/vocab/lookup.ts
index 78197f74..c58bd3ce 100644
--- a/src/vocab/lookup.ts
+++ b/src/vocab/lookup.ts
@@ -131,6 +131,12 @@ export interface TraverseCollectionOptions {
    */
   contextLoader?: DocumentLoader;
 
+  /**
+   * Whether to suppress errors when fetching pages.  If `true`,
+   * errors will be logged but not thrown.  Defaults to `false`.
+   */
+  suppressError?: boolean;
+
   /**
    * The interval to wait between fetching pages.  Zero or negative
    * values will disable the interval.  Disabled by default.