diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/pump/medtronic/comm/MedtronicCommunicationManager.java b/app/src/main/java/info/nightscout/androidaps/plugins/pump/medtronic/comm/MedtronicCommunicationManager.java
index 83ed08ddd0..a8405ea00d 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/pump/medtronic/comm/MedtronicCommunicationManager.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/pump/medtronic/comm/MedtronicCommunicationManager.java
@@ -552,7 +552,7 @@ public class MedtronicCommunicationManager extends RileyLinkCommunicationManager
 
     // All pump communications go through this function.
     protected PumpMessage sendAndListen(RLMessage msg, int timeout_ms) throws RileyLinkCommunicationException {
-        return sendAndListen(msg, timeout_ms);
+        return (PumpMessage) super.sendAndListen(msg, timeout_ms);
     }