diff --git a/test/functional/feature_index_prune.py b/test/functional/feature_index_prune.py
index 0222de33e3eb0..dcb649362f820 100755
--- a/test/functional/feature_index_prune.py
+++ b/test/functional/feature_index_prune.py
@@ -140,6 +140,7 @@ def run_test(self):
             self.connect_nodes(i, 3)
 
         self.sync_blocks(timeout=300)
+        self.sync_index(height=2500)
 
         for node in self.nodes[:2]:
             with node.assert_debug_log(['limited pruning to height 2489']):