diff --git a/src/test/java/net/e175/klaus/zip/ZipPrefixerTest.java b/src/test/java/net/e175/klaus/zip/ZipPrefixerTest.java
index f5e490e..8db4d26 100644
--- a/src/test/java/net/e175/klaus/zip/ZipPrefixerTest.java
+++ b/src/test/java/net/e175/klaus/zip/ZipPrefixerTest.java
@@ -86,7 +86,7 @@ void adjustsZipOffsets(String filename) throws IOException {
 
     @ParameterizedTest
     @Disabled("needs lots of time/disk space")
-    @ValueSource(strings = {"few-huge-files.zip"})
+    @ValueSource(strings = {"few-huge-files.zip", "100k-files.zip"})
     void adjustsZipOffsetsOnHugeFiles(String filename) throws IOException {
         Path f = prepareTestFile(filename);
         ZipPrefixer.validateZipOffsets(f);
diff --git a/src/test/resources/100k-files.zip.gz b/src/test/resources/100k-files.zip.gz
new file mode 100644
index 0000000..795ff7f
Binary files /dev/null and b/src/test/resources/100k-files.zip.gz differ