diff --git a/exec-i386.h b/exec-i386.h
index 4f7f4ceb326bb7edbdc7cc883f2a234a5c25f37c..1fa86f414bf06d54ea15aef7aa14830c264d2551 100644
--- a/exec-i386.h
+++ b/exec-i386.h
@@ -182,6 +182,7 @@ extern CCTable cc_table[];
 void load_seg(int seg_reg, int selector);
 void cpu_lock(void);
 void cpu_unlock(void);
+void raise_exception_err(int exception_index, int error_code);
 void raise_exception(int exception_index);
 
 void OPPROTO op_movl_eflags_T0(void);