diff --git a/lib/onewire_master.c b/lib/onewire_master.c
index b00d5e1..6104003 100644
--- a/lib/onewire_master.c
+++ b/lib/onewire_master.c
@@ -29,7 +29,7 @@
  *  @note external pull-up resistor on pin is required (< 5 kOhm)
  *  @{
  */
-#define ONEWIRE_MASTER_PIN PC9  /**< GPIO pin */
+#define ONEWIRE_MASTER_PIN PB10 /**< GPIO pin */
 /** @} */
 
 /** @defgroup onewire_master_timer timer used to measure 1-wire signal timing