diff --git a/test/functional/rpc_packages.py b/test/functional/rpc_packages.py
index 6feebcd124f..664f2df3f19 100755
--- a/test/functional/rpc_packages.py
+++ b/test/functional/rpc_packages.py
@@ -336,7 +336,7 @@ class RPCPackagesTest(BitcoinTestFramework):
         self.log.info("Submitpackage only allows packages of 1 child with its parents")
         # Chain of 3 transactions has too many generations
         legacy_pool = node.getrawmempool()
-        chain_hex = [t["hex"] for t in self.wallet.create_self_transfer_chain(chain_length=25)]
+        chain_hex = [t["hex"] for t in self.wallet.create_self_transfer_chain(chain_length=3)]
         assert_raises_rpc_error(-25, "package topology disallowed", node.submitpackage, chain_hex)
         assert_equal(legacy_pool, node.getrawmempool())