diff --git a/src/vnet/fib/fib_entry_src.c b/src/vnet/fib/fib_entry_src.c
index 8ddb967..d9cf823 100644
--- a/src/vnet/fib/fib_entry_src.c
+++ b/src/vnet/fib/fib_entry_src.c
@@ -875,8 +875,12 @@
              * The covered's source data has been inherited, presumably
              * from this cover, i.e. this is a modify.
              */
-            esrc = fib_entry_src_action_update_from_cover(fib_entry, cover_src);
-            fib_entry_source_change(fib_entry, esrc->fes_src, esrc->fes_src);
+            fib_source_t best_source;
+
+            best_source = fib_entry_get_best_source(
+                fib_entry_get_index(fib_entry));
+            fib_entry_src_action_update_from_cover(fib_entry, cover_src);
+            fib_entry_source_change(fib_entry, best_source, cover_src->fes_src);
         }
         else
         {