diff -r 1643b6a9a02a -r 99a481dc4c89 src/pyams_content/shared/imagemap/zmi/properties.py
--- a/src/pyams_content/shared/imagemap/zmi/properties.py	Mon Sep 11 14:52:15 2017 +0200
+++ b/src/pyams_content/shared/imagemap/zmi/properties.py	Mon Sep 11 14:53:15 2017 +0200
@@ -40,6 +40,8 @@
 
     fields = field.Fields(IWfImageMap).select('image')
 
+    weight = 10
+
     def get_ajax_output(self, changes):
         if 'image' in changes.get(IWfImageMap, ()):
             translate = self.request.localizer.translate