diff --git a/fuzz/CMakeLists.txt b/fuzz/CMakeLists.txt
index ad45038..d692372 100644
--- a/fuzz/CMakeLists.txt
+++ b/fuzz/CMakeLists.txt
@@ -148,6 +148,7 @@ set(CORPUS_OTHER
   369662293a.fuzz
   376305073.fuzz
   377977949.fuzz
+  389339260.fuzz
   389974979.fuzz
   391974927.fuzz
 )
diff --git a/fuzz/qpdf_extra/389339260.fuzz b/fuzz/qpdf_extra/389339260.fuzz
new file mode 100644
index 0000000..7bcc475
--- /dev/null
+++ b/fuzz/qpdf_extra/389339260.fuzz
diff --git a/fuzz/qtest/fuzz.test b/fuzz/qtest/fuzz.test
index efffdc6..450cb6c 100644
--- a/fuzz/qtest/fuzz.test
+++ b/fuzz/qtest/fuzz.test
@@ -11,7 +11,7 @@ my $td = new TestDriver('fuzz');
 
 my $qpdf_corpus = $ENV{'QPDF_FUZZ_CORPUS'} || die "must set QPDF_FUZZ_CORPUS";
 
-my $n_qpdf_files = 87;       # increment when adding new files
+my $n_qpdf_files = 88;       # increment when adding new files
 
 my @fuzzers = (
     ['ascii85' => 1],
diff --git a/libqpdf/QPDFOutlineObjectHelper.cc b/libqpdf/QPDFOutlineObjectHelper.cc
index 964deeb..4da38b8 100644
--- a/libqpdf/QPDFOutlineObjectHelper.cc
+++ b/libqpdf/QPDFOutlineObjectHelper.cc
@@ -25,7 +25,7 @@ QPDFOutlineObjectHelper::QPDFOutlineObjectHelper(
 
     QPDFObjGen::set children;
     QPDFObjectHandle cur = oh.getKey("/First");
-    while (!cur.isNull() && children.add(cur)) {
+    while (!cur.isNull() && cur.isIndirect() && children.add(cur)) {
         QPDFOutlineObjectHelper new_ooh(cur, dh, 1 + depth);
         new_ooh.m->parent = std::make_shared<QPDFOutlineObjectHelper>(*this);
         m->kids.push_back(new_ooh);