diff --git a/variants/heltec_wsl_v3/variant.h b/variants/heltec_wsl_v3/variant.h
index bd7a03a9..66415741 100644
--- a/variants/heltec_wsl_v3/variant.h
+++ b/variants/heltec_wsl_v3/variant.h
@@ -1,3 +1,6 @@
+#define I2C_SCL 47
+#define I2C_SDA 48
+
 #define LED_PIN LED
 
 #define HAS_SCREEN 0