diff --git a/headers/private/kernel/debug.h b/headers/private/kernel/debug.h
index af9a38156d..927c9b33cc 100644
--- a/headers/private/kernel/debug.h
+++ b/headers/private/kernel/debug.h
@@ -64,9 +64,11 @@
 #if KDEBUG
 #	define ASSERT(x)						ASSERT_ALWAYS(x)
 #	define ASSERT_PRINT(x, format, args...)	ASSERT_ALWAYS_PRINT(x, format, args)
+#	define ASSERT_UNREACHABLE()				panic("ASSERT UNREACHABLE (%s:%d)", __FILE__, __LINE__)
 #else
 #	define ASSERT(x)						do { } while(0)
 #	define ASSERT_PRINT(x, format, args...)	do { } while(0)
+#	define ASSERT_UNREACHABLE()				__builtin_unreachable()
 #endif
 
 #if __GNUC__ >= 5 && !defined(__cplusplus)