diff --git a/core/embed/models/T3T1/boards/trezor_t3t1_revE.h b/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
index 051ffb71f4..a9ed916fe2 100644
--- a/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
+++ b/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
@@ -121,4 +121,6 @@
 #define SBU_2_PORT GPIOA
 #define SBU_2_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
 
+#define NPM1300_I2C_INSTANCE 2
+
 #endif  //_TREZOR_T_H