diff --git a/firmware/config/boards/f407-discovery/board.mk b/firmware/config/boards/f407-discovery/board.mk
index 26d9978fd4..0ed8066789 100644
--- a/firmware/config/boards/f407-discovery/board.mk
+++ b/firmware/config/boards/f407-discovery/board.mk
@@ -17,6 +17,9 @@ endif
 
 DDEFS += -DEFI_SENT_SUPPORT=TRUE
 
+# temporary solution for variable shadowing should be avoided #5676
+DDEFS += -Werror=shadow
+
 # User can configure LIN/K-line interface
 DDEFS += -DEFI_KLINE=TRUE
 DDEFS += -DKLINE_SERIAL_DEVICE_RX=Gpio::C11 -DKLINE_SERIAL_DEVICE_TX=Gpio::C10
diff --git a/firmware/config/boards/proteus/board.mk b/firmware/config/boards/proteus/board.mk
index 217889d29c..9867e134d3 100644
--- a/firmware/config/boards/proteus/board.mk
+++ b/firmware/config/boards/proteus/board.mk
@@ -16,6 +16,9 @@ DDEFS += -DEFI_MAX_31855=TRUE
 DDEFS += -DSTM32_SPI_USE_SPI5=TRUE
 DDEFS += -DEFI_TCU=TRUE
 
+# temporary solution for variable shadowing should be avoided #5676
+DDEFS += -Werror=shadow
+
 # Any Proteus-based adapter boards with discrete-VR decoder are controlled via a 5v ignition output
 DDEFS += -DVR_SUPPLY_VOLTAGE=5
 
diff --git a/firmware/config/boards/subaru_eg33/board.mk b/firmware/config/boards/subaru_eg33/board.mk
index d174819366..7cbc3f1258 100644
--- a/firmware/config/boards/subaru_eg33/board.mk
+++ b/firmware/config/boards/subaru_eg33/board.mk
@@ -17,6 +17,9 @@ DDEFS += -DSTATIC_BOARD_ID=STATIC_BOARD_ID_SUBARU_EG33_F7
 # Override DEFAULT_ENGINE_TYPE
 DDEFS += -DDEFAULT_ENGINE_TYPE=engine_type_e::SUBARU_EG33
 
+# temporary solution for variable shadowing should be avoided #5676
+DDEFS += -Werror=shadow
+
 #Some options override
 DDEFS += -DHAL_USE_UART=FALSE
 DDEFS += -DUART_USE_WAIT=FALSE