diff --git a/quickstart/5-oracle-service/aqua/ts_oracle.aqua b/quickstart/5-oracle-service/aqua/ts_oracle.aqua
index acc228c..f8dfe83 100644
--- a/quickstart/5-oracle-service/aqua/ts_oracle.aqua
+++ b/quickstart/5-oracle-service/aqua/ts_oracle.aqua
@@ -1,4 +1,3 @@
-
 alias PeerId : string
 alias Base58String : string
 alias Hash : string
@@ -13,6 +12,7 @@ data Info:
     external_addresses: []string
 
 service Op("op"):
+    noop()
     string_to_b58(s: string) -> Base58String
     concat_strings(a: string, b: string) -> string
 
@@ -68,8 +68,9 @@ func ts_oracle_with_consensus(tolerance: u32, threshold: f64, err_value:u64, nod
         if status! != "success":
           res <<- err_value
           dead_peers <<- n
+        Op.noop()
         
-    MyOp.identity(res!19)
+    join res[19]
     TSOracle oracle_service_id
     consensus <- TSOracle.ts_frequency(res, tolerance, threshold, err_value)
   <- consensus, dead_peers
@@ -84,5 +85,6 @@ func ts_oracle_with_bool(tolerance: u32, threshold: f64, err_value:u64, node:str
     for n <- nodes par:
       res <- Peer.connect(n, nil)
       peers <<- n
-    MyOpBool.identity(res!19)
+      Op.noop()
+    join res[19]
   <- res, peers
\ No newline at end of file