diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/services/DanaRSService.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/services/DanaRSService.java
index a30e237672..bd6f5ca690 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/services/DanaRSService.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/services/DanaRSService.java
@@ -185,7 +185,10 @@ public class DanaRSService extends Service {
         while (!msg.done && bleComm.isConnected()) {
             SystemClock.sleep(100);
         }
-        lastHistoryFetched = DanaRS_Packet_APS_History_Events.lastEventTimeLoaded - 45 * 60 * 1000L; // always load last 45 min
+        if (DanaRS_Packet_APS_History_Events.lastEventTimeLoaded != 0)
+            lastHistoryFetched = DanaRS_Packet_APS_History_Events.lastEventTimeLoaded - 45 * 60 * 1000L; // always load last 45 min
+        else
+            lastHistoryFetched = 0;
         log.debug("Events loaded");
         return new PumpEnactResult().success(true);
     }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/services/DanaRv2ExecutionService.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/services/DanaRv2ExecutionService.java
index 4e5b85177a..6d6ba34838 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/services/DanaRv2ExecutionService.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/services/DanaRv2ExecutionService.java
@@ -527,7 +527,10 @@ public class DanaRv2ExecutionService extends Service {
             waitMsec(100);
         }
         waitMsec(200);
-        lastHistoryFetched = MsgHistoryEvents_v2.lastEventTimeLoaded - 45 * 60 * 1000L; //always load last 45 min;
+        if (MsgHistoryEvents_v2.lastEventTimeLoaded != 0)
+            lastHistoryFetched = MsgHistoryEvents_v2.lastEventTimeLoaded - 45 * 60 * 1000L; //always load last 45 min;
+        else
+            lastHistoryFetched = 0;
         return new PumpEnactResult().success(true);
     }