diff --git a/lib/active_fedora/reflection.rb b/lib/active_fedora/reflection.rb
index 88b757bc2..22b822fba 100644
--- a/lib/active_fedora/reflection.rb
+++ b/lib/active_fedora/reflection.rb
@@ -192,7 +192,10 @@ def predicate
       end
 
       def solr_key
-        ActiveFedora::SolrQueryBuilder.solr_name(predicate.to_s, :symbol)
+        @solr_key ||= begin
+          predicate_string = predicate.fragment || predicate.to_s.rpartition(/\//).last
+          ActiveFedora::SolrQueryBuilder.solr_name(predicate_string, :symbol)
+        end
       end
 
       def check_validity!