diff --git a/tasmota/tasmota_support/support_esp.ino b/tasmota/tasmota_support/support_esp.ino
index b6a5f8dc9..d5f67a119 100644
--- a/tasmota/tasmota_support/support_esp.ino
+++ b/tasmota/tasmota_support/support_esp.ino
@@ -790,7 +790,9 @@ typedef struct {
       case 3:
         if (single_core) { return F("ESP32-S0WD-OEM"); }   // Max 160MHz, Single core, QFN 5*5, Xiaomi Yeelight
         else {             return F("ESP32-D0WD-OEM"); }   // Max 240MHz, Dual core, QFN 5*5
-      case 4:              return F("ESP32-U4WDH");        // Max 160MHz, Single core, QFN 5*5, 4MB embedded flash, ESP32-MINI-1, ESP32-DevKitM-1
+      case 4:
+        if (single_core) { return F("ESP32-U4WDH-S"); }    // Max 160MHz, Single core, QFN 5*5, 4MB embedded flash, ESP32-MINI-1, ESP32-DevKitM-1
+        else {             return F("ESP32-U4WDH-D"); }    // Max 240MHz, Dual core, QFN 5*5, 4MB embedded flash
       case 5:
         if (rev3)        { return F("ESP32-PICO-V3"); }    // Max 240MHz, Dual core, LGA 7*7, ESP32-PICO-V3-ZERO, ESP32-PICO-V3-ZERO-DevKit
         else {             return F("ESP32-PICO-D4"); }    // Max 240MHz, Dual core, LGA 7*7, 4MB embedded flash, ESP32-PICO-KIT