diff --git a/MainScripts/findContour.m b/MainScripts/findContour.m
index d154c28669a727a129a7e80175dc539300cb8819..06c7db3a8cb3d904754b3324064f598716418723 100644
--- a/MainScripts/findContour.m
+++ b/MainScripts/findContour.m
@@ -111,7 +111,7 @@ se =strel('disk', 1);
 boundaries = cell( cc.NumObjects, 1 );
 
 % Extend each boundary to the center of the ridge
-for bioCell = 1 : cc.NumObjects
+parfor bioCell = 1 : cc.NumObjects
 
     % Exclude cells touching the image border.
     % TODO elsewhere?