diff --git a/untiler/__init__.py b/untiler/__init__.py
index 45813ed..39d2bef 100644
--- a/untiler/__init__.py
+++ b/untiler/__init__.py
@@ -148,7 +148,6 @@ def streaming_tile_worker(data):
                     toFaux, frFaux = affaux(fDiff)
 
                     if not globalArgs['no_fill']:
-                        print('filling')
                         ## Read and write the fill tiles first
                         for t in subtiler.get_fill_super_tiles(superTiles, data['maxCovTiles'], fThresh):
                             z, x, y = t
@@ -219,7 +218,7 @@ def stream_dir(inputDir, outputDir, compositezoom, maxzoom, logdir, read_templat
         raise ValueError("No tiles were found for that template")
 
     if maxzoom:
-        allTiles = tiler.filter_tiles(allTiles, maxzoom)
+        allTiles = tiler.filter_tiles(allTiles, maxzoom, compositezoom)
 
     if allTiles.shape[0] == 0:
         raise ValueError("No tiles were found below that maxzoom")
@@ -237,7 +236,7 @@ def stream_dir(inputDir, outputDir, compositezoom, maxzoom, logdir, read_templat
         'logdir': logdir,
         'creation_opts': creation_opts,
         'no_fill': no_fill
-        }))
+        })) 
 
     superTiles = tiler.get_super_tiles(allTiles, compositezoom)
 
diff --git a/untiler/scripts/tile_utils.py b/untiler/scripts/tile_utils.py
index 9a599a4..77cd04b 100644
--- a/untiler/scripts/tile_utils.py
+++ b/untiler/scripts/tile_utils.py
@@ -117,8 +117,8 @@ def get_sub_tiles(self, subTiles, superTiles):
                 'z': z
             })
 
-    def filter_tiles(self, tiles, zoomfloor):
-        return tiles[np.where(tiles[:, 0] <= zoomfloor)]
+    def filter_tiles(self, tiles, zoomfloor, zoomceil):
+        return tiles[np.where((tiles[:, 0] <= zoomfloor) & (tiles[:, 0] >= zoomceil))]
 
     def get_fill_super_tiles(self, superTiles, fillTiles, fillThresh):
         for ct in ((np.all(superTiles == a, axis=1).sum(), a) for a in fillTiles):
@@ -141,7 +141,7 @@ def parse_template(template):
     if pattern.match(template):    
         valPattern = re.compile(r"{(z|x|y)}")
         filepath = re.compile(r"(jpg|png|tif)$")
-        sepmatch = re.compile(r"(?:{z})(/|-)(?:{x})(/|-)(?:{y})")
+        sepmatch = re.compile(r"(?:{z})(/|-|_)(?:{x})(/|-|_)(?:{y})")
         separator = sepmatch.findall(template)[0]
 
         if len(separator) != 2 or separator[0] != separator[1]: