diff --git a/pkg/services/rpcsrv/server.go b/pkg/services/rpcsrv/server.go
index 9c588c3de..153458cc7 100644
--- a/pkg/services/rpcsrv/server.go
+++ b/pkg/services/rpcsrv/server.go
@@ -2487,7 +2487,7 @@ func (s *Server) traverseIterator(reqParams params.Params) (any, *neorpc.Error)
 		return nil, neorpc.NewInvalidParamsError("invalid iterator items count: not an int32")
 	}
 	if count > s.config.MaxIteratorResultItems {
-		return nil, neorpc.NewInvalidParamsError(fmt.Sprintf("iterator items count is out of range (%d at max)", s.config.MaxIteratorResultItems))
+		return nil, neorpc.NewInvalidParamsError(fmt.Sprintf("iterator items count (%d) is out of range (%d at max)", count, s.config.MaxIteratorResultItems))
 	}
 
 	s.sessionsLock.Lock()
diff --git a/pkg/services/rpcsrv/server_test.go b/pkg/services/rpcsrv/server_test.go
index 81c542e5c..6fb1222f4 100644
--- a/pkg/services/rpcsrv/server_test.go
+++ b/pkg/services/rpcsrv/server_test.go
@@ -2975,7 +2975,7 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
 			sID, iID := prepareIteratorSession(t)
 			rpc := fmt.Sprintf(`{"jsonrpc": "2.0", "id": 1, "method": "traverseiterator", "params": ["%s", "%s", %d]}"`, sID.String(), iID.String(), config.DefaultMaxIteratorResultItems+1)
 			body := doRPCCall(rpc, httpSrv.URL, t)
-			checkErrGetResult(t, body, true, neorpc.InvalidParamsCode, fmt.Sprintf("iterator items count is out of range (%d at max)", config.DefaultMaxIteratorResultItems))
+			checkErrGetResult(t, body, true, neorpc.InvalidParamsCode, fmt.Sprintf("iterator items count (%d) is out of range (%d at max)", config.DefaultMaxIteratorResultItems+1, config.DefaultMaxIteratorResultItems))
 		})
 		t.Run("unknown session", func(t *testing.T) {
 			_, iID := prepareIteratorSession(t)