diff --git a/CHANGELOG.md b/CHANGELOG.md
index 438bf82..39ffec1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
-## v2 - 2024-06-09
+## 2.1 - 2024-06-09
+### Fixed
+* MAC address on boot now displayed correctly.
+
+
+## 2.0 - 2024-06-09
 ### Added
 * New Clock mode with arabic numerals
 * Firmware version now displayed at boot time
diff --git a/wallart.ino b/wallart.ino
index b20ac54..2be308e 100644
--- a/wallart.ino
+++ b/wallart.ino
@@ -202,12 +202,9 @@ void displayMacAddress(int cycles=40) {
     }
 
     // Middle: MAC address
-    for (int octet = 0; octet < 6; octet++) {
-      for (int i = 0; i < 8; i++) {
-        int pos = 8 + (octet*8) + (7-i);
-        bool bit = (addr>>(octet*8 + i)) & 1;
-        grid[pos] = bit ? CRGB::Yellow: CRGB::Black;
-      }
+    for (int i = 0; i < 48; i++) {
+      int pos = i + 8;
+      grid[pos] = CHSV(HUE_YELLOW, 255, ((addr>>(47-i)) & 1)?255:64);
     }
 
     // Bottom: connected status