diff --git a/src/helpers/sensors/EnvironmentSensorManager.cpp b/src/helpers/sensors/EnvironmentSensorManager.cpp
index edd60ebf..b3de0568 100644
--- a/src/helpers/sensors/EnvironmentSensorManager.cpp
+++ b/src/helpers/sensors/EnvironmentSensorManager.cpp
@@ -183,7 +183,7 @@ bool EnvironmentSensorManager::setSettingValue(const char* name, const char* val
 #if ENV_INCLUDE_GPS
 void EnvironmentSensorManager::initBasicGPS() {
 
-  Serial1.setPins(PIN_GPS_RX, PIN_GPS_TX);
+  Serial1.setPins(PIN_GPS_TX, PIN_GPS_RX);
   
   #ifdef GPS_BAUD_RATE
   Serial1.begin(GPS_BAUD_RATE);
diff --git a/variants/lilygo_tbeam_SX1262/platformio.ini b/variants/lilygo_tbeam_SX1262/platformio.ini
index b40fb7e1..8bf2c5ab 100644
--- a/variants/lilygo_tbeam_SX1262/platformio.ini
+++ b/variants/lilygo_tbeam_SX1262/platformio.ini
@@ -16,8 +16,8 @@ build_flags =
   -D P_LORA_TX_LED=4
   -D PIN_BOARD_SDA=21
   -D PIN_BOARD_SCL=22
-  -D PIN_GPS_RX=34
-  -D PIN_GPS_TX=12
+  -D PIN_GPS_RX=12
+  -D PIN_GPS_TX=34
   -D PIN_USER_BTN=38
   -D ENV_INCLUDE_GPS=1
 build_src_filter = ${esp32_base.build_src_filter}
diff --git a/variants/lilygo_tbeam_SX1276/platformio.ini b/variants/lilygo_tbeam_SX1276/platformio.ini
index 9f9a9fff..b0f6c001 100644
--- a/variants/lilygo_tbeam_SX1276/platformio.ini
+++ b/variants/lilygo_tbeam_SX1276/platformio.ini
@@ -13,8 +13,8 @@ build_flags =
   -D P_LORA_TX_LED=4
   -D PIN_BOARD_SDA=21
   -D PIN_BOARD_SCL=22
-  -D PIN_GPS_RX=34
-  -D PIN_GPS_TX=12
+  -D PIN_GPS_RX=12
+  -D PIN_GPS_TX=34
   -D PIN_USER_BTN=38
   -D ENV_INCLUDE_GPS=1
   ;-D ENV_INCLUDE_BME680
diff --git a/variants/lilygo_tbeam_supreme_SX1262/platformio.ini b/variants/lilygo_tbeam_supreme_SX1262/platformio.ini
index ee64a4d3..5c2d6e86 100644
--- a/variants/lilygo_tbeam_supreme_SX1262/platformio.ini
+++ b/variants/lilygo_tbeam_supreme_SX1262/platformio.ini
@@ -14,8 +14,8 @@ build_flags =
   -D P_LORA_TX_LED=6
   -D PIN_BOARD_SDA=17
   -D PIN_BOARD_SCL=18
-  -D PIN_GPS_RX=9
-  -D PIN_GPS_TX=8
+  -D PIN_GPS_RX=8
+  -D PIN_GPS_TX=9
   -D PIN_GPS_EN=7
   -D PIN_USER_BTN=0
   -D TELEM_BME280_ADDRESS=0x77