diff --git a/qa/rpc-tests/autoix-mempool.py b/qa/rpc-tests/autoix-mempool.py
index f79fe772a70fd..a8be9a321fc1a 100755
--- a/qa/rpc-tests/autoix-mempool.py
+++ b/qa/rpc-tests/autoix-mempool.py
@@ -130,7 +130,7 @@ def run_test(self):
         print("Test old InstantSend")
         self.test_auto();
 
-        self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 1)
+        self.nodes[0].spork("SPORK_20_INSTANTSEND_LLMQ_BASED", 0)
         self.wait_for_sporks_same()
 
         print("Test new InstantSend")
diff --git a/qa/rpc-tests/p2p-autoinstantsend.py b/qa/rpc-tests/p2p-autoinstantsend.py
index 31f97ce50f6ca..bf930b921aab0 100755
--- a/qa/rpc-tests/p2p-autoinstantsend.py
+++ b/qa/rpc-tests/p2p-autoinstantsend.py
@@ -124,7 +124,7 @@ def run_test(self):
         print("Test old InstantSend")
         self.test_auto();
 
-        self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 1)
+        self.nodes[0].spork("SPORK_20_INSTANTSEND_LLMQ_BASED", 0)
         self.wait_for_sporks_same()
 
         print("Test new InstantSend")
diff --git a/qa/rpc-tests/p2p-instantsend.py b/qa/rpc-tests/p2p-instantsend.py
index 45ecfd3b2abf5..96539191963ba 100755
--- a/qa/rpc-tests/p2p-instantsend.py
+++ b/qa/rpc-tests/p2p-instantsend.py
@@ -28,7 +28,7 @@ def run_test(self):
         print("Test old InstantSend")
         self.test_doublespend()
 
-        self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 1)
+        self.nodes[0].spork("SPORK_20_INSTANTSEND_LLMQ_BASED", 0)
         self.wait_for_sporks_same()
 
         print("Test new InstantSend")