diff --git a/code/features-convert/data-extractors/java/nu/marginalia/extractor/TermFrequencyExporter.java b/code/features-convert/data-extractors/java/nu/marginalia/extractor/TermFrequencyExporter.java
index df1e56a9..bdb7362a 100644
--- a/code/features-convert/data-extractors/java/nu/marginalia/extractor/TermFrequencyExporter.java
+++ b/code/features-convert/data-extractors/java/nu/marginalia/extractor/TermFrequencyExporter.java
@@ -127,6 +127,10 @@ public class TermFrequencyExporter implements ExporterIf {
                     for (var word : sent) {
                         words.add(longHash(word.stemmed().getBytes(StandardCharsets.UTF_8)));
                     }
+
+                    for (var ngram : sent.ngramStemmed) {
+                        words.add(longHash(ngram.getBytes()));
+                    }
                 }
 
                 synchronized (counts) {