diff --git a/variants/heltec_vision_master_e213/pins_arduino.h b/variants/heltec_vision_master_e213/pins_arduino.h
index ce35348fd4..56f5ef1576 100644
--- a/variants/heltec_vision_master_e213/pins_arduino.h
+++ b/variants/heltec_vision_master_e213/pins_arduino.h
@@ -3,8 +3,8 @@
 
 #include <stdint.h>
 
-static const uint8_t LED_BUILTIN = -1; // Board has no built-in LED, despite what schematic shows
-#define BUILTIN_LED LED_BUILTIN        // backward compatibility
+static const uint8_t LED_BUILTIN = 45; // LED is not populated on earliest board variant
+#define BUILTIN_LED LED_BUILTIN        // Backward compatibility
 #define LED_BUILTIN LED_BUILTIN
 
 static const uint8_t TX = 43;
diff --git a/variants/heltec_vision_master_e213/variant.h b/variants/heltec_vision_master_e213/variant.h
index 0771b35173..386df6fcf8 100644
--- a/variants/heltec_vision_master_e213/variant.h
+++ b/variants/heltec_vision_master_e213/variant.h
@@ -1,3 +1,4 @@
+#define LED_PIN 45 // LED is not populated on earliest board variant
 #define BUTTON_PIN 0
 #define BUTTON_PIN_SECONDARY 21         // Second built-in button
 #define BUTTON_SECONDARY_CANNEDMESSAGES // By default, use the secondary button as canned message input
diff --git a/variants/heltec_vision_master_e290/pins_arduino.h b/variants/heltec_vision_master_e290/pins_arduino.h
index 77cf3176a4..56f5ef1576 100644
--- a/variants/heltec_vision_master_e290/pins_arduino.h
+++ b/variants/heltec_vision_master_e290/pins_arduino.h
@@ -3,8 +3,8 @@
 
 #include <stdint.h>
 
-static const uint8_t LED_BUILTIN = -1;
-#define BUILTIN_LED LED_BUILTIN // backward compatibility
+static const uint8_t LED_BUILTIN = 45; // LED is not populated on earliest board variant
+#define BUILTIN_LED LED_BUILTIN        // Backward compatibility
 #define LED_BUILTIN LED_BUILTIN
 
 static const uint8_t TX = 43;
diff --git a/variants/heltec_vision_master_e290/variant.h b/variants/heltec_vision_master_e290/variant.h
index 72a82cfdb8..299186549d 100644
--- a/variants/heltec_vision_master_e290/variant.h
+++ b/variants/heltec_vision_master_e290/variant.h
@@ -1,3 +1,4 @@
+#define LED_PIN 45 // LED is not populated on earliest board variant
 #define BUTTON_PIN 0
 #define BUTTON_PIN_SECONDARY 21         // Second built-in button
 #define BUTTON_SECONDARY_CANNEDMESSAGES // By default, use the secondary button as canned message input