diff --git a/firmware/config/stm32f4ems/efifeatures.h b/firmware/config/stm32f4ems/efifeatures.h
index 72e617f8ad..91a53577fd 100644
--- a/firmware/config/stm32f4ems/efifeatures.h
+++ b/firmware/config/stm32f4ems/efifeatures.h
@@ -10,6 +10,8 @@
 
 #pragma once
 
+#include <rusefi/true_false.h>
+
 #define EFI_GPIO_HARDWARE TRUE
 
 #ifndef SENT_CHANNELS_NUM
@@ -36,6 +38,10 @@
 #define EFI_BACKUP_SRAM TRUE
 #endif
 
+#ifndef EFI_HELLA_OIL
+#define EFI_HELLA_OIL FALSE
+#endif
+
 #ifndef EFI_USE_OPENBLT
 #define EFI_USE_OPENBLT FALSE
 #endif
diff --git a/firmware/hw_layer/pin_repository.cpp b/firmware/hw_layer/pin_repository.cpp
index d5b3f0a839..001a1e77f3 100644
--- a/firmware/hw_layer/pin_repository.cpp
+++ b/firmware/hw_layer/pin_repository.cpp
@@ -49,7 +49,7 @@ int brainPin_to_index(Gpio brainPin) {
  */
 
 bool brain_pin_markUsed(Gpio brainPin, const char *msg) {
-#if ! EFI_BOOTLOADER
+#ifndef EFI_BOOTLOADER
 	efiPrintf("pin_markUsed: %s on %s", msg, hwPortname(brainPin));
 #endif
 
@@ -79,7 +79,7 @@ bool brain_pin_markUsed(Gpio brainPin, const char *msg) {
  */
 
 void brain_pin_markUnused(brain_pin_e brainPin) {
-#if ! EFI_BOOTLOADER
+#ifndef EFI_BOOTLOADER
 	efiPrintf("pin_markUnused: %s", hwPortname(brainPin));
 #endif
 	int index = brainPin_to_index(brainPin);