diff --git a/monitoring/overview/views.py b/monitoring/overview/views.py
index 2395c208..b859ae1f 100644
--- a/monitoring/overview/views.py
+++ b/monitoring/overview/views.py
@@ -266,7 +266,9 @@ class MonascaProxyView(TemplateView):
             dimensions_str = req_kwargs['dimensions'][0]
             dimensions_str_array = dimensions_str.split(',')
             for dimension in dimensions_str_array:
-                dimension_name_value = dimension.split(':')
+                # limit splitting since value may contain a ':' such as in
+                # the `url` dimension of the service_status check.
+                dimension_name_value = dimension.split(':', 1)
                 if len(dimension_name_value) == 2:
                     name = dimension_name_value[0].encode('utf8')
                     value = dimension_name_value[1].encode('utf8')