diff --git a/platformio.ini b/platformio.ini
index d52a377..e4c44fd 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -241,6 +241,7 @@ build_flags =
 	-DRADIOLIB_EXCLUDE_SX1231=true
 	-DRADIOLIB_EXCLUDE_SX127X=true
 	-DRADIOLIB_EXCLUDE_SX128X=true
+	-DROTATION=1 # 1 = default; 3 = inverted
 lib_deps = 
 	SPI
 	Wire
diff --git a/tft_src/main.cpp b/tft_src/main.cpp
index 9acc953..340f88d 100644
--- a/tft_src/main.cpp
+++ b/tft_src/main.cpp
@@ -852,7 +852,7 @@ void setup()
     /// st7789->setSPISpeed(3000000); /// default ~ 1000000
 
     Serial.printf("Ready!\r\n");
-    st7789->setRotation(1);
+    st7789->setRotation(ROTATION);
     st7789->fillScreen(ST7789_BLACK);
     drawText(0, 0, "init >>> ", ST7789_WHITE);