diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 52bb48e..486af1d 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -987,8 +987,8 @@
 void do_cpu_init(CPUState *env);
 void do_cpu_sipi(CPUState *env);
 
-void cpu_x86_inject_mce(CPUState *cenv, int bank, uint64_t status,
-                        uint64_t mcg_status, uint64_t addr, uint64_t misc,
-                        int broadcast);
+void cpu_x86_inject_mce(Monitor *mon, CPUState *cenv, int bank,
+                        uint64_t status, uint64_t mcg_status, uint64_t addr,
+                        uint64_t misc, int broadcast);
 
 #endif /* CPU_I386_H */