diff --git a/lib/util.js b/lib/util.js
index 7b4c67f..a78f49d 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -51,31 +51,48 @@ exports.elapsed = async (fn) => {
  *   <feeder_podcast>/<feeder_episode>
  *   <feeder_podcast>/<feeder_feed>/<feeder_episode>
  */
-exports.parseUsage = (dayDate, rows) =>
-  rows
-    .map(([uri, byteStr]) => {
-      const parts = uri.split("/");
-      const bytes = parseInt(byteStr, 10);
-      const day = dayDate.toISOString().split("T").shift();
+exports.parseUsage = (dayDate, rows) => {
+  const day = dayDate.toISOString().split("T").shift();
+  const usage = [];
+  const unknowns = {};
 
-      if (parts[0].match(/^[0-9]+$/)) {
-        /* eslint-disable camelcase */
-        const feeder_podcast = parseInt(parts[0], 10);
-        const feeder_feed = parts[1];
-        const feeder_episode = parts[parts.length - 1];
-        if (parts.length === 2) {
-          return { feeder_podcast, feeder_episode, bytes, day };
-        }
-        if (parts.length === 3) {
-          return { feeder_podcast, feeder_feed, feeder_episode, bytes, day };
-        }
-        /* eslint-enable camelcase */
-      }
+  // parse paths
+  for (const row of rows) {
+    const uri = row[0];
+    const parts = uri.split("/");
+    const bytes = parseInt(row[1], 10);
 
+    if (parts[0].match(/^[0-9]+$/)) {
+      /* eslint-disable camelcase */
+      const feeder_podcast = parseInt(parts[0], 10);
+      const feeder_feed = parts[1];
+      const feeder_episode = parts[parts.length - 1];
+      if (parts.length === 2) {
+        usage.push({ feeder_podcast, feeder_episode, bytes, day });
+      } else if (parts.length === 3) {
+        usage.push({ feeder_podcast, feeder_feed, feeder_episode, bytes, day });
+      } else {
+        unknowns[feeder_podcast] = (unknowns[feeder_podcast] || 0) + bytes;
+      }
+      /* eslint-enable camelcase */
+    } else {
       const ignored = IGNORE_PATHS.find((r) => r.test(uri));
       if (bytes >= IGNORE_BYTES_UNDER && !ignored) {
         log.warn(`unrecognized uri: '${uri}' (${bytes} bytes)`);
       }
-      return null;
-    })
-    .filter((r) => r);
+    }
+  }
+
+  // insert null feeder_episodes for unknown paths under a podcast_id
+  for (const podcastStr in unknowns) {
+    if (Object.hasOwn(unknowns, podcastStr)) {
+      /* eslint-disable camelcase */
+      const feeder_podcast = parseInt(podcastStr, 10);
+      const bytes = unknowns[feeder_podcast];
+      usage.push({ feeder_podcast, bytes, day });
+      /* eslint-enable camelcase */
+    }
+  }
+
+  return usage;
+};
diff --git a/lib/util.test.js b/lib/util.test.js
index 9fd01e6..984e022 100644
--- a/lib/util.test.js
+++ b/lib/util.test.js
@@ -103,5 +103,21 @@ describe("util", () => {
       expect(log.warn.mock.calls[0][0]).toMatch(/unrecognized uri/);
       expect(log.warn.mock.calls[1][0]).toMatch(/unrecognized uri/);
     });
+
+    it("combines unrecognized bytes with a null episode_id", () => {
+      const day = new Date("2024-03-04");
+      const rows = util.parseUsage(day, [
+        ["1234", "11"],
+        ["1234/path/is/too/long", "22"],
+        ["1234/path/is/much/too/long", "33"],
+      ]);
+
+      expect(rows.length).toEqual(1);
+      expect(rows[0]).toEqual({
+        feeder_podcast: 1234,
+        bytes: 66,
+        day: "2024-03-04",
+      });
+    });
   });
 });