diff --git a/common/config/devConf.h b/common/config/devConf.h
index fbd9763b..3fbded81 100644
--- a/common/config/devConf.h
+++ b/common/config/devConf.h
@@ -33,6 +33,7 @@ static constexpr uint32_t RW_SPEED = 300'000;
 static constexpr spi::SpiModes RW_MODE = spi::SpiModes::MODE_0;
 
 static constexpr uint32_t RTD_SPEED = 2'000'000;
+static constexpr spi::SpiModes RTD_MODE = spi::SpiModes::MODE_3;
 
 }