diff --git a/src/asp/Tools/parallel_stereo b/src/asp/Tools/parallel_stereo
index 3d02e41ce..b74a0f4a0 100644
--- a/src/asp/Tools/parallel_stereo
+++ b/src/asp/Tools/parallel_stereo
@@ -214,7 +214,6 @@ def create_symlinks_for_multiview(opt, args, settings):
       out-prefix-4096_4096_1629_1629/4096_4096_1629_1629-pair2/2-F.tif
     Create the latter as a sym link.
     """
-    print("args 6 is ", " ".join(args))
     subdirs = create_subdirs_symlink(opt, args, settings) # symlink L.tif, etc
     
     for s in sorted(settings.keys()):
diff --git a/src/asp/Tools/stereo_parse.cc b/src/asp/Tools/stereo_parse.cc
index e81e1d629..3885bcabf 100644
--- a/src/asp/Tools/stereo_parse.cc
+++ b/src/asp/Tools/stereo_parse.cc
@@ -128,9 +128,9 @@ void produceTiles(std::string const& output_prefix,
       int curr_tile_x = tile_x;
       int curr_tile_y = tile_y;
       if (ix == tiles_nx - 1)
-        curr_tile_x = int(trans_left_image_size[0]) - ix * tile_x;
+        curr_tile_x = std::max(int(trans_left_image_size[0]) - ix * tile_x, 0);
       if (iy == tiles_ny - 1)
-        curr_tile_y = int(trans_left_image_size[1]) - iy * tile_y;
+        curr_tile_y = std::max(int(trans_left_image_size[1]) - iy * tile_y, 0);
         
       int beg_x = ix * tile_x;
       int beg_y = iy * tile_y;