diff --git a/sources/tiff/large_image_source_tiff/__init__.py b/sources/tiff/large_image_source_tiff/__init__.py
index 06615ea14..7075be5d2 100644
--- a/sources/tiff/large_image_source_tiff/__init__.py
+++ b/sources/tiff/large_image_source_tiff/__init__.py
@@ -67,6 +67,7 @@ class TiffFileTileSource(FileTileSource, metaclass=LruCacheMetaclass):
         'tiff': SourcePriority.HIGH,
         'ptif': SourcePriority.PREFERRED,
         'ptiff': SourcePriority.PREFERRED,
+        'qptiff': SourcePriority.PREFERRED,
     }
     mimeTypes = {
         None: SourcePriority.FALLBACK,
diff --git a/test/test_files/geotiff_style_linear_7_22_51_v7.png b/test/test_files/geotiff_style_linear_7_22_51_v7.png
new file mode 100755
index 000000000..a8b767529
Binary files /dev/null and b/test/test_files/geotiff_style_linear_7_22_51_v7.png differ