diff --git a/libraries/SoftwareSerial/src/SoftwareSerial.cpp b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
index 0f312a2..bf7dacf 100644
--- a/libraries/SoftwareSerial/src/SoftwareSerial.cpp
+++ b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
@@ -205,6 +205,8 @@ void SoftwareSerial::setRX(uint8_t rx)
       PIN_SET_PAD_CONFIG(PORT_0_PUPD, pinNumber, HAL_GPIO_PULL_UP);
     else if (((GPIO_TypeDef*)_receivePortRegister) == GPIO_1)
       PIN_SET_PAD_CONFIG(PORT_1_PUPD, pinNumber, HAL_GPIO_PULL_UP);
+    else if (((GPIO_TypeDef*)_receivePortRegister) == GPIO_2)
+      PIN_SET_PAD_CONFIG(PORT_2_PUPD, pinNumber, HAL_GPIO_PULL_UP);
   }
   // turn off int line for while (it turning on in attachInterrupt())
   GPIO_IRQ_LINE_DISABLE(_int_maskLine);