diff --git a/libraries/Wire/Wire_nRF51.cpp b/libraries/Wire/Wire_nRF51.cpp
index a9515afa..cd2d71ed 100755
--- a/libraries/Wire/Wire_nRF51.cpp
+++ b/libraries/Wire/Wire_nRF51.cpp
@@ -46,13 +46,13 @@ void TwoWire::begin(void) {
   NRF_GPIO->PIN_CNF[_uc_pinSCL] = ((uint32_t)GPIO_PIN_CNF_DIR_Input        << GPIO_PIN_CNF_DIR_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_INPUT_Connect    << GPIO_PIN_CNF_INPUT_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_PULL_Pullup      << GPIO_PIN_CNF_PULL_Pos)
-                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1       << GPIO_PIN_CNF_DRIVE_Pos)
+                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0D1       << GPIO_PIN_CNF_DRIVE_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_SENSE_Disabled   << GPIO_PIN_CNF_SENSE_Pos);
 
   NRF_GPIO->PIN_CNF[_uc_pinSDA] = ((uint32_t)GPIO_PIN_CNF_DIR_Input        << GPIO_PIN_CNF_DIR_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_INPUT_Connect    << GPIO_PIN_CNF_INPUT_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_PULL_Pullup      << GPIO_PIN_CNF_PULL_Pos)
-                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1       << GPIO_PIN_CNF_DRIVE_Pos)
+                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0D1       << GPIO_PIN_CNF_DRIVE_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_SENSE_Disabled   << GPIO_PIN_CNF_SENSE_Pos);
 
   _p_twi->FREQUENCY = TWI_FREQUENCY_FREQUENCY_K100;
diff --git a/libraries/Wire/Wire_nRF52.cpp b/libraries/Wire/Wire_nRF52.cpp
index 12d05621..e6ef2824 100755
--- a/libraries/Wire/Wire_nRF52.cpp
+++ b/libraries/Wire/Wire_nRF52.cpp
@@ -46,13 +46,13 @@ void TwoWire::begin(void) {
     NRF_GPIO->PIN_CNF[_uc_pinSCL] = ((uint32_t)GPIO_PIN_CNF_DIR_Input      << GPIO_PIN_CNF_DIR_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_INPUT_Connect    << GPIO_PIN_CNF_INPUT_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_PULL_Pullup      << GPIO_PIN_CNF_PULL_Pos)
-                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1       << GPIO_PIN_CNF_DRIVE_Pos)
+                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0D1       << GPIO_PIN_CNF_DRIVE_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_SENSE_Disabled   << GPIO_PIN_CNF_SENSE_Pos);
 
   NRF_GPIO->PIN_CNF[_uc_pinSDA] = ((uint32_t)GPIO_PIN_CNF_DIR_Input        << GPIO_PIN_CNF_DIR_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_INPUT_Connect    << GPIO_PIN_CNF_INPUT_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_PULL_Pullup      << GPIO_PIN_CNF_PULL_Pos)
-                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1       << GPIO_PIN_CNF_DRIVE_Pos)
+                                | ((uint32_t)GPIO_PIN_CNF_DRIVE_S0D1       << GPIO_PIN_CNF_DRIVE_Pos)
                                 | ((uint32_t)GPIO_PIN_CNF_SENSE_Disabled   << GPIO_PIN_CNF_SENSE_Pos);
 
   _p_twim->FREQUENCY = TWIM_FREQUENCY_FREQUENCY_K100;