diff --git a/src/wallet/rpc/backup.cpp b/src/wallet/rpc/backup.cpp
index 9c58e0fe3f7..9ffea19c474 100644
--- a/src/wallet/rpc/backup.cpp
+++ b/src/wallet/rpc/backup.cpp
@@ -381,15 +381,15 @@ RPCMethod importdescriptors()
     if (!pwallet) return UniValue::VNULL;
     CWallet& wallet{*pwallet};
 
-    // Make sure the results are valid at least up to the most recent block
-    // the user could have gotten from another RPC command prior to now
-    wallet.BlockUntilSyncedToCurrentChain();
-
     WalletRescanReserver reserver(*pwallet);
     if (!reserver.reserve(/*with_passphrase=*/true)) {
         throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
     }
 
+    // Make sure the results are valid at least up to the most recent block
+    // the user could have gotten from another RPC command prior to now
+    wallet.BlockUntilSyncedToCurrentChain();
+
     // Ensure that the wallet is not locked for the remainder of this RPC, as
     // the passphrase is used to top up the keypool.
     LOCK(pwallet->m_relock_mutex);
diff --git a/test/functional/wallet_importdescriptors.py b/test/functional/wallet_importdescriptors.py
index f60484d84cd..36d88d17c8a 100755
--- a/test/functional/wallet_importdescriptors.py
+++ b/test/functional/wallet_importdescriptors.py
@@ -140,6 +140,9 @@ 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)