diff --git a/lmxproxy/src/ZB.MOM.WW.LmxProxy.Host/MxAccess/MxAccessClient.Connection.cs b/lmxproxy/src/ZB.MOM.WW.LmxProxy.Host/MxAccess/MxAccessClient.Connection.cs
index 3dba659..918ac9c 100644
--- a/lmxproxy/src/ZB.MOM.WW.LmxProxy.Host/MxAccess/MxAccessClient.Connection.cs
+++ b/lmxproxy/src/ZB.MOM.WW.LmxProxy.Host/MxAccess/MxAccessClient.Connection.cs
@@ -243,6 +243,9 @@ namespace ZB.MOM.WW.LmxProxy.Host.MxAccess
                 if (!IsConnected)
                 {
                     await AttemptReconnectAsync(ct);
+                    // Reset probe timer so the next check gives the new connection
+                    // a full interval to deliver its first OnDataChange callback
+                    _lastProbeValueTime = DateTime.UtcNow;
                     continue;
                 }
 
@@ -267,6 +270,7 @@ namespace ZB.MOM.WW.LmxProxy.Host.MxAccess
                     }
 
                     await AttemptReconnectAsync(ct);
+                    _lastProbeValueTime = DateTime.UtcNow;
                 }
             }