diff --git a/core/embed/models/T3T1/boards/trezor_t3t1_revE.h b/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
index ebae58b5f3..f7bc09dd57 100644
--- a/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
+++ b/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
@@ -111,4 +111,6 @@
 #define SBU_2_PORT GPIOA
 #define SBU_2_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
 
+#define NPM1300_I2C_INSTANCE 2
+
 #endif  //_TREZOR_T_H