diff --git a/tests/manual/iclean-outlier/run-iclean.py b/tests/manual/iclean-outlier/run-iclean.py
index 835672d..37f1a2a 100644
--- a/tests/manual/iclean-outlier/run-iclean.py
+++ b/tests/manual/iclean-outlier/run-iclean.py
@@ -34,7 +34,7 @@
 
 #print("Result = " + str( repr( run_iclean( vis=ms_path, imagename=img,
 print("Result = " + str( repr( iclean( vis=ms_path, imagename=img,
-                                       imsize=512,
+                                       imsize=100,
                                        cell='8.0arcsec',
                                        phasecenter="J2000 19:59:28.500 +40.44.01.50",
                                        outlierfile='test_outlier.txt',