diff --git a/siteupdate/python-teresco/siteupdate.py b/siteupdate/python-teresco/siteupdate.py
index daea5a2c..7e323ddc 100755
--- a/siteupdate/python-teresco/siteupdate.py
+++ b/siteupdate/python-teresco/siteupdate.py
@@ -541,7 +541,7 @@ def canonical_waypoint_name(self,log):
                             suffix = colocated[check_index].label[colocated[check_index].label.find('_'):]
                             if colocated[other_index].route.list_entry_name() + suffix == colocated[check_index].label:
                                 suffixes[other_index] = suffix
-                    if colocated[check_index].label.startswith(colocated[other_index].route.name_no_abbrev()):
+                    elif colocated[check_index].label.startswith(colocated[other_index].route.name_no_abbrev()):
                         this_match = True
                         if '_' in colocated[check_index].label:
                             suffix = colocated[check_index].label[colocated[check_index].label.find('_'):]