diff --git a/extensions/parquet/table/src/main/java/io/deephaven/parquet/table/ParquetTools.java b/extensions/parquet/table/src/main/java/io/deephaven/parquet/table/ParquetTools.java
index 6cf44d21c48..fb2084e51a3 100644
--- a/extensions/parquet/table/src/main/java/io/deephaven/parquet/table/ParquetTools.java
+++ b/extensions/parquet/table/src/main/java/io/deephaven/parquet/table/ParquetTools.java
@@ -595,10 +595,7 @@ private static Table readTableInternal(
             final Path firstEntryPath;
             // Ignore dot files while looking for the first entry
             try (final DirectoryStream<Path> sourceStream =
-                    Files.newDirectoryStream(sourcePath, (path) -> {
-                        final String filename = path.getFileName().toString();
-                        return !filename.isEmpty() && filename.charAt(0) != '.';
-                    })) {
+                    Files.newDirectoryStream(sourcePath, ParquetTools::ignoreDotFiles)) {
                 // Lexicographical comparison
                 firstEntryPath = StreamSupport.stream(sourceStream.spliterator(), false)
                         .min(Path::compareTo)
@@ -622,6 +619,11 @@ private static Table readTableInternal(
         throw new TableDataException("Source " + source + " is neither a directory nor a regular file");
     }
 
+    private static boolean ignoreDotFiles(Path path) {
+        final String filename = path.getFileName().toString();
+        return !filename.isEmpty() && filename.charAt(0) != '.';
+    }
+
     private static BasicFileAttributes readAttributes(@NotNull final Path path) {
         try {
             return Files.readAttributes(path, BasicFileAttributes.class);