diff --git a/crates/rib/src/table/mod.rs b/crates/rib/src/table/mod.rs
index 4fc5ad6..a4cd95e 100644
--- a/crates/rib/src/table/mod.rs
+++ b/crates/rib/src/table/mod.rs
@@ -873,6 +873,11 @@ fn push_tight<T>(vec: &mut Vec<T>, value: T, expected: usize) {
         let first = expected.min(FIRST_ROOM);
         let more = if vec.capacity() < first {
             first - vec.len()
+        } else if vec.capacity() < FIRST_ROOM {
+            // A peer that sends several routes for a prefix (ADD-PATH)
+            // takes a row past the peers' count: doubled while small,
+            // and from there by a quarter.
+            vec.capacity()
         } else {
             (vec.len() / 4).max(1)
         };