diff --git a/codes/data/full_image_dataset.py b/codes/data/full_image_dataset.py
index 5f9e9c92..cf2fe8a1 100644
--- a/codes/data/full_image_dataset.py
+++ b/codes/data/full_image_dataset.py
@@ -97,7 +97,12 @@ class FullImageDataset(data.Dataset):
             target_sz = self.opt['min_tile_size']
         h, w, _ = image.shape
         possible_sizes_above_target = h - target_sz
-        square_size = int(target_sz + possible_sizes_above_target * min(np.abs(np.random.normal(scale=.17)), 1.0))
+        if 'fixed_size' in self.opt.keys() and self.opt['fixed_size']:
+            square_size = target_sz
+        else:
+            tile_expansion_dev = self.opt['tile_scale_normal_stddev'] if 'tile_scale_normal_stddev' in self.opt.keys() else .17
+            square_size = int(target_sz + possible_sizes_above_target * min(np.abs(np.random.normal(scale=tile_expansion_dev)), 1.0))
+
         # Pick the left,top coords to draw the patch from
         left = self.pick_along_range(w, square_size, .3)
         top = self.pick_along_range(w, square_size, .3)