diff --git a/platformio.ini b/platformio.ini
index 864e5e1ff..b10b31792 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,8 +10,8 @@
 
 [platformio]
 extra_configs =
-	variants/*/platformio.ini
-	platformio.local.ini
+  variants/*/platformio.ini
+  platformio.local.ini
 
 [arduino_base]
 framework = arduino
diff --git a/variants/keepteen_lt1/platformio.ini b/variants/keepteen_lt1/platformio.ini
index b82ceb7ea..55ee21576 100644
--- a/variants/keepteen_lt1/platformio.ini
+++ b/variants/keepteen_lt1/platformio.ini
@@ -17,7 +17,7 @@ build_src_filter = ${nrf52_base.build_src_filter}
   +<helpers/sensors>
   +<../variants/keepteen_lt1>
 lib_deps= ${nrf52_base.lib_deps}
-	adafruit/Adafruit SSD1306 @ ^2.5.13
+  adafruit/Adafruit SSD1306 @ ^2.5.13
   stevemarple/MicroNMEA @ ^2.0.6
 
 [env:KeepteenLT1_repeater]
diff --git a/variants/promicro/platformio.ini b/variants/promicro/platformio.ini
index 317537a9e..390b06053 100644
--- a/variants/promicro/platformio.ini
+++ b/variants/promicro/platformio.ini
@@ -27,7 +27,7 @@ build_src_filter = ${nrf52_base.build_src_filter}
   +<helpers/sensors>
   +<../variants/promicro>
 lib_deps= ${nrf52_base.lib_deps}
-	adafruit/Adafruit SSD1306 @ ^2.5.13
+  adafruit/Adafruit SSD1306 @ ^2.5.13
   adafruit/Adafruit INA3221 Library @ ^1.0.1
   adafruit/Adafruit INA219 @ ^1.2.3
   adafruit/Adafruit AHTX0 @ ^2.0.5