diff --git a/test/functional/feature_pruning.py b/test/functional/feature_pruning.py
index 274abcd40d..a6d40cf0d7 100755
--- a/test/functional/feature_pruning.py
+++ b/test/functional/feature_pruning.py
@@ -198,6 +198,7 @@ class PruneTest(BitcoinTestFramework):
         self.log.info("Mine 220 more large blocks so we have requisite history")
 
         mine_large_blocks(self.nodes[0], 220)
+        self.sync_blocks(self.nodes[0:3], timeout=120)
 
         usage = calc_usage(self.prunedir)
         self.log.info("Usage should be below target: %d" % usage)