diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index bc9739d..8d37283 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -65,7 +65,7 @@
 struct task_struct;
 struct pt_regs;
 
-#ifdef CONFIG_DEBUGGER
+#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
 
 extern int (*__debugger)(struct pt_regs *regs);
 extern int (*__debugger_ipi)(struct pt_regs *regs);