diff --git a/slsDetectorSoftware/tests/Caller/test-Caller-rx.cpp b/slsDetectorSoftware/tests/Caller/test-Caller-rx.cpp
index 8a87dfc7c..65c57f1a5 100644
--- a/slsDetectorSoftware/tests/Caller/test-Caller-rx.cpp
+++ b/slsDetectorSoftware/tests/Caller/test-Caller-rx.cpp
@@ -868,8 +868,10 @@ TEST_CASE("rx_roi_port_disabled", "[.detectorintegration]") {
     if (two_ports) {
         auto prev_roi = det.getRxROI();
         auto ports = det.getPortPositionList();
-        auto prev_port0 = det.getUDPDataStream(ports[0], {0})[0];
-        auto prev_port1 = det.getUDPDataStream(ports[1], {0})[0];
+
+        auto prev_port0 = det.getUDPDataStream(ports[0]);
+        auto prev_port1 = det.getUDPDataStream(ports[1]);
+
         bool prev_tengiga = false;
         if (det_type == defs::EIGER) {
             prev_tengiga = det.getTenGiga().squash(false);
@@ -935,8 +937,14 @@ TEST_CASE("rx_roi_port_disabled", "[.detectorintegration]") {
             det.clearRxROI();
         else
             det.setRxROI(prev_roi);
-        det.setUDPDataStream(ports[0], prev_port0, {0});
-        det.setUDPDataStream(ports[1], prev_port1, {0});
+
+        for (size_t i = 0; i != prev_port0.size(); ++i) {
+            det.setUDPDataStream(ports[0], prev_port0[i],
+                                 {static_cast<int>(i)});
+            det.setUDPDataStream(ports[1], prev_port1[i],
+                                 {static_cast<int>(i)});
+        }
+
         if (det_type == defs::EIGER) {
             det.setTenGiga(prev_tengiga);
         }