diff --git a/ChangeLog b/ChangeLog
index 55492ed30..55d050023 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -348,5 +348,6 @@ https://github.com/olikraus/u8g2 ChangeLog
   * MUI: More features and examples
 2024-xx-xx      v2.36.xx        olikraus@gmail.com
   * SED1330 240x64 (issue 2518)
+  * SSD1309 128x128 (issue 2546)
   
   
diff --git a/sys/arduino/u8g2_page_buffer/HelloWorld/HelloWorld.ino b/sys/arduino/u8g2_page_buffer/HelloWorld/HelloWorld.ino
index 7aea52b99..98b07b962 100644
--- a/sys/arduino/u8g2_page_buffer/HelloWorld/HelloWorld.ino
+++ b/sys/arduino/u8g2_page_buffer/HelloWorld/HelloWorld.ino
@@ -183,7 +183,7 @@
 //U8G2_SSD1305_128X64_RAYSTAR_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
 //U8G2_SSD1309_128X64_NONAME0_1_4W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);  
 //U8G2_SSD1309_128X64_NONAME0_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);  
-//U8G2_SSD1309_128X128_NONAME0_1_4W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);  
+U8G2_SSD1309_128X128_NONAME0_1_4W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);  
 //U8G2_SSD1309_128X128_NONAME0_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);  
 //U8G2_SSD1309_128X64_NONAME2_1_4W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);  
 //U8G2_SSD1309_128X64_NONAME2_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);