diff --git a/src/drivers/TwiMaster.cpp b/src/drivers/TwiMaster.cpp
index 34aac07f..52f93d85 100644
--- a/src/drivers/TwiMaster.cpp
+++ b/src/drivers/TwiMaster.cpp
@@ -16,12 +16,14 @@ void TwiMaster::ConfigurePins() const {
   NRF_GPIO->PIN_CNF[params.pinScl] =
     (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) |
     (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) |
+    (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
     (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos) |
     (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
 
   NRF_GPIO->PIN_CNF[params.pinSda] =
     (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) |
     (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) |
+    (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
     (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos) |
     (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
 }