diff --git a/src/main/target/NUCLEOF7/target.h b/src/main/target/NUCLEOF7/target.h
index ef50b450f7..e683c82c3c 100644
--- a/src/main/target/NUCLEOF7/target.h
+++ b/src/main/target/NUCLEOF7/target.h
@@ -151,5 +151,6 @@
 #define TARGET_IO_PORTD 0xffff
 #define TARGET_IO_PORTE 0xffff
 #define TARGET_IO_PORTF 0xffff
+#define TARGET_IO_PORTG 0xffff
 
 #define USED_TIMERS  ( TIM_N(2) | TIM_N(3) | TIM_N(4) | TIM_N(5) | TIM_N(12) | TIM_N(8) | TIM_N(9) | TIM_N(10) | TIM_N(11))