diff --git a/cogrun.py b/cogrun.py
index cfbaf2a..2b044da 100644
--- a/cogrun.py
+++ b/cogrun.py
@@ -1,6 +1,7 @@
 from min_dalle import MinDalle
 import tempfile
 from typing import Iterator
+from math import log2
 from cog import BasePredictor, Path, Input
 
 
@@ -24,22 +25,21 @@ class Predictor(BasePredictor):
             description='Set the seed to a positive number for reproducible results',
             default=-1
         ),
-        log2_intermediate_image_count: int = Input(
-            description='Set the log2 number of intermediate images to show',
-            ge=0,
-            le=4,
-            default=3
+        intermediate_image_count: int = Input(
+            description='Set the number of intermediate images to show',
+            choices=[1, 2, 4, 8, 16],
+            default=8
         ),
     ) -> Iterator[Path]:
         image_stream = self.model.generate_image_stream(
             text,
             seed,
             grid_size=grid_size,
-            log2_mid_count=log2_intermediate_image_count,
+            log2_mid_count=log2(intermediate_image_count),
             is_verbose=True
         )
 
         for image in image_stream:
-            out_path = Path(tempfile.mkdtemp()) / 'output.jpg'
-            image.save(str(out_path))
-            yield out_path
\ No newline at end of file
+            path = Path(tempfile.mkdtemp()) / 'output.jpg'
+            image.save(str(path))
+            yield path
\ No newline at end of file