diff --git a/.idea/cmake.xml b/.idea/cmake.xml
index f0a93ab..5762463 100644
--- a/.idea/cmake.xml
+++ b/.idea/cmake.xml
@@ -2,7 +2,6 @@
 <project version="4">
   <component name="CMakeSharedSettings">
     <configurations>
-      <configuration PROFILE_NAME="Debug" ENABLED="true" CONFIG_NAME="Debug" />
       <configuration PROFILE_NAME="Maintainer" ENABLED="true" CONFIG_NAME="RelWithDebInfo" GENERATION_OPTIONS="-DMAINTAINER_MODE=ON -DBUILD_STATIC_LIBS=OFF" />
       <configuration PROFILE_NAME="Windows" ENABLED="true" CONFIG_NAME="RelWithDebInfo" TOOLCHAIN_NAME="Visual Studio" GENERATION_OPTIONS="-DBUILD_SHARED_LIBS=OFF" />
     </configurations>
diff --git a/fuzz/CMakeLists.txt b/fuzz/CMakeLists.txt
index adb68cd..a4af925 100644
--- a/fuzz/CMakeLists.txt
+++ b/fuzz/CMakeLists.txt
@@ -145,6 +145,7 @@ set(CORPUS_OTHER
   99999a.fuzz
   99999b.fuzz
   99999c.fuzz
+  99999d.fuzz
 )
 
 set(CORPUS_DIR ${CMAKE_CURRENT_BINARY_DIR}/qpdf_corpus)
diff --git a/fuzz/qpdf_extra/99999d.fuzz b/fuzz/qpdf_extra/99999d.fuzz
new file mode 100644
index 0000000..4504412
--- /dev/null
+++ b/fuzz/qpdf_extra/99999d.fuzz
diff --git a/fuzz/qtest/fuzz.test b/fuzz/qtest/fuzz.test
index 51a3553..df5318c 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 = 82;       # increment when adding new files
+my $n_qpdf_files = 83;       # increment when adding new files
 
 my @fuzzers = (
     ['ascii85' => 1],
diff --git a/libqpdf/QPDFTokenizer.cc b/libqpdf/QPDFTokenizer.cc
index d48abd3..7f7c6d9 100644
--- a/libqpdf/QPDFTokenizer.cc
+++ b/libqpdf/QPDFTokenizer.cc
@@ -47,7 +47,7 @@ QPDFWordTokenFinder::check()
     // Find a word token matching the given string, preceded by a delimiter, and followed by a
     // delimiter or EOF.
     QPDFTokenizer tokenizer;
-    QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true);
+    QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true, str.size() + 2);
     qpdf_offset_t pos = is.tell();
     if (!(t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, str))) {
         QTC::TC("qpdf", "QPDFTokenizer finder found wrong word");