diff --git a/firmware/bootloader/src/rusefi_stubs.cpp b/firmware/bootloader/src/rusefi_stubs.cpp
index bf02167e94..50439e5f3e 100644
--- a/firmware/bootloader/src/rusefi_stubs.cpp
+++ b/firmware/bootloader/src/rusefi_stubs.cpp
@@ -29,3 +29,8 @@ Logging::Logging(char const */*name*/, char */*buffer*/, int /*bufferSize*/) {
 LoggingWithStorage::LoggingWithStorage(const char *name) : Logging(name, DEFAULT_BUFFER, sizeof(DEFAULT_BUFFER))   {
 }
 
+// this is supposed to be taken from chconf_common.h but it does not work? I am not sure why :(
+// TODO: make this be defined by chconf_common.h?
+void irqEnterHook() {}
+void irqExitHook() {}
+void contextSwitchHook() {}
\ No newline at end of file