diff --git a/lib/sdk/Libraries/Boards/card10/Source/board.c b/lib/sdk/Libraries/Boards/card10/Source/board.c
index aebe0ffa5aad2d84e9225dba947e7f0a75861159..8c00f9ec62337549112703226e47f02d21999757 100644
--- a/lib/sdk/Libraries/Boards/card10/Source/board.c
+++ b/lib/sdk/Libraries/Boards/card10/Source/board.c
@@ -53,6 +53,7 @@ extern uint32_t SystemCoreClock;
 const gpio_cfg_t pb_pin[] = {
     {PORT_0, PIN_23, GPIO_FUNC_IN, GPIO_PAD_PULL_UP},   // TOP GPIO3 / Button 1
     {PORT_0, PIN_20, GPIO_FUNC_IN, GPIO_PAD_PULL_UP},   // Wristband GPIO1
+    {PORT_1, PIN_7, GPIO_FUNC_IN, GPIO_PAD_PULL_UP},   // TOP GPIO5 / Button 2
 };
 const unsigned int num_pbs = (sizeof(pb_pin) / sizeof(gpio_cfg_t));