diff --git a/spec/02-integration/19-incrmental_sync/01-sync_spec.lua b/spec/02-integration/19-incrmental_sync/01-sync_spec.lua
index abb969d2a0fcf..1b8e7b7ee3f34 100644
--- a/spec/02-integration/19-incrmental_sync/01-sync_spec.lua
+++ b/spec/02-integration/19-incrmental_sync/01-sync_spec.lua
@@ -36,7 +36,7 @@ describe("Incremental Sync RPC #" .. strategy, function()
       cluster_listen = "127.0.0.1:9005",
       nginx_conf = "spec/fixtures/custom_nginx.template",
       cluster_rpc = "on",
-      cluster_incremental_sync = "on", -- incremental sync
+      cluster_rpc_sync = "on", -- incremental sync
     }))
 
     assert(helpers.start_kong({
@@ -50,7 +50,7 @@ describe("Incremental Sync RPC #" .. strategy, function()
       nginx_conf = "spec/fixtures/custom_nginx.template",
       nginx_worker_processes = 4, -- multiple workers
       cluster_rpc = "on",
-      cluster_incremental_sync = "on", -- incremental sync
+      cluster_rpc_sync = "on", -- incremental sync
       worker_state_update_frequency = 1,
     }))
   end)
diff --git a/spec/02-integration/19-incrmental_sync/02-multiple_dp_nodes_spec.lua b/spec/02-integration/19-incrmental_sync/02-multiple_dp_nodes_spec.lua
index 8567c03fba260..8eb6b87df6f6b 100644
--- a/spec/02-integration/19-incrmental_sync/02-multiple_dp_nodes_spec.lua
+++ b/spec/02-integration/19-incrmental_sync/02-multiple_dp_nodes_spec.lua
@@ -10,7 +10,7 @@ local function start_cp(strategy, port)
     cluster_listen = "127.0.0.1:" .. port,
     nginx_conf = "spec/fixtures/custom_nginx.template",
     cluster_rpc = "on",
-    cluster_incremental_sync = "on", -- incremental sync
+    cluster_rpc_sync = "on", -- incremental sync
   }))
 end
 
@@ -26,7 +26,7 @@ local function start_dp(prefix, port)
     nginx_conf = "spec/fixtures/custom_nginx.template",
     nginx_worker_processes = 4, -- multiple workers
     cluster_rpc = "on",
-    cluster_incremental_sync = "on", -- incremental sync
+    cluster_rpc_sync = "on", -- incremental sync
     worker_state_update_frequency = 1,
   }))
 end