diff --git a/test/functional/wallet_importdescriptors.py b/test/functional/wallet_importdescriptors.py
index f9429079bbd..06ffef9b432 100755
--- a/test/functional/wallet_importdescriptors.py
+++ b/test/functional/wallet_importdescriptors.py
@@ -136,6 +136,9 @@ class ImportDescriptorsTest(BitcoinTestFramework):
             "timestamp": 0, "range": [0, 10000]}]
             conflicting_desc = [{"desc": descsum_create("pkh(" + xpriv + "/1h/*h)"),
             "timestamp": 0, "range": [0, 10000]}]
+            num_relevant_blocks = 1000
+            self.generatetoaddress(self.nodes[0], num_relevant_blocks, self.nodes[0].deriveaddresses(slow_desc[0]['desc'], [0, 0])[0])
+            self.generatetoaddress(self.nodes[0], num_relevant_blocks, self.nodes[0].deriveaddresses(conflicting_desc[0]['desc'], [0, 0])[0])
 
             start = threading.Barrier(3)