diff --git a/meshroom/nodes/aliceVision/ImageSegmentation.py b/meshroom/nodes/aliceVision/ImageSegmentation.py
index 7f583e6b..46aea780 100644
--- a/meshroom/nodes/aliceVision/ImageSegmentation.py
+++ b/meshroom/nodes/aliceVision/ImageSegmentation.py
@@ -7,6 +7,8 @@ class ImageSegmentation(desc.AVCommandLineNode):
     commandLine = 'aliceVision_imageSegmentation {allParams}'
     size = desc.DynamicNodeSize('input')
     gpu = desc.Level.NORMAL
+    parallelization = desc.Parallelization(blockSize=50)
+    commandLineRange = '--rangeStart {rangeStart} --rangeSize {rangeBlockSize}'
 
     category = 'Utils'
     documentation = '''