diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 947b4e31..03406e76 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -49,7 +49,11 @@
     #define DEVICE              "D1_MINI_RELAYSHIELD"
 
     // Buttons
-    // No buttons on the D1 MINI
+    // No buttons on the D1 MINI alone, but defining it without adding a button doen't create problems
+    #define BUTTON1_PIN         0   // Connect a pushbutton between D3 and GND,
+                                    // it's the same as using a Wemos one button shield
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY       1
 
     // Relays
     #define RELAY1_PIN          5
@@ -59,6 +63,13 @@
     #define LED1_PIN            2
     #define LED1_PIN_INVERSE    1
 
+    // Buttons
+    // No buttons on the D1 MINI alone, but defining it without adding a button doen't create problems
+    #define BUTTON1_PIN         0   // Connect a pushbutton between D3 and GND,
+                                    // it's the same as using a Wemos one button shield
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY       1
+
 // -----------------------------------------------------------------------------
 // ESPurna
 // -----------------------------------------------------------------------------
diff --git a/code/espurna/hardware.ino b/code/espurna/hardware.ino
index a789f4f8..05d6e4d2 100644
--- a/code/espurna/hardware.ino
+++ b/code/espurna/hardware.ino
@@ -33,6 +33,8 @@ void hwUpwardsCompatibility() {
         setSetting("board", 3);
         setSetting("ledGPIO", 1, 2);
         setSetting("ledLogic", 1, 1);
+        setSetting("btnGPIO", 1, 0);
+        setSetting("btnRelay", 1, 1);
         setSetting("relayGPIO", 1, 5);
         setSetting("relayType", 1, RELAY_TYPE_NORMAL);