diff --git a/tasmota/xsns_18_pms5003.ino b/tasmota/xsns_18_pms5003.ino
index 604583067..b1cac1a81 100644
--- a/tasmota/xsns_18_pms5003.ino
+++ b/tasmota/xsns_18_pms5003.ino
@@ -48,6 +48,7 @@ struct PMS5003 {
   uint8_t valid = 0;
   uint8_t wake_mode = 1;
   uint8_t ready = 1;
+  bool discovery_triggered = false;
 } Pms;
 
 enum PmsCommands
@@ -156,6 +157,11 @@ bool PmsReadData(void)
 #endif  // PMS_MODEL_PMS3003
   Pms.valid = 10;
 
+  if (!Pms.discovery_triggered) {
+    TasmotaGlobal.discovery_counter = 1;      // Force discovery
+    Pms.discovery_triggered = true;
+  }
+
   return true;
 }