diff --git a/movie_start.py b/movie_start.py
index c5a58e88458e51c860a52cc956790744e68415b4..9b074c6c3a31b9efaf7b235835438dbbde957117 100644
--- a/movie_start.py
+++ b/movie_start.py
@@ -32,14 +32,14 @@ def main():
         with ift.random.Context(31):
             p = ift.Plot()
             n = 5
-            for _ in range(5):  # FIXME: should this be 'range(n)'?
+            for _ in range(n):
                 pos = ift.from_random(sky.domain, 'normal')
                 ss = sky(pos)['hi']
                 mi, ma = 0, np.max(ss.val)
                 for ii in range(0, ss.shape[0], 4):
                     extr = ift.DomainTupleFieldInserter(ss.domain, 0, (ii,)).adjoint
                     p.add(extr(ss), zmin=mi, zmax=ma)
-            p.output(name=f'prior_samples.png', ny=n, xsize=28, ysize=9)
+            p.output(name='prior_samples.png', ny=n, xsize=28, ysize=9)
 
             print('Start inf check')
             for ii in range(20):