diff --git a/include/asm-s390/bug.h b/include/asm-s390/bug.h
index 7ddaa05b98d8406b9988921b5275179083bd8e94..87689836394442804ce094da6358dd898c272081 100644
--- a/include/asm-s390/bug.h
+++ b/include/asm-s390/bug.h
@@ -5,9 +5,18 @@
 
 #ifdef CONFIG_BUG
 
+static inline __attribute__((noreturn)) void __do_illegal_op(void)
+{
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
+	__builtin_trap();
+#else
+	asm volatile(".long 0");
+#endif
+}
+
 #define BUG() do { \
 	printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
-	__builtin_trap(); \
+	__do_illegal_op(); \
 } while (0)
 
 #define HAVE_ARCH_BUG