diff --git a/ui/qemu-spice.h b/ui/qemu-spice.h
index 48239c3..920d501 100644
--- a/ui/qemu-spice.h
+++ b/ui/qemu-spice.h
@@ -42,8 +42,16 @@ void do_info_spice(Monitor *mon, QObject **ret_data);
 #else  /* CONFIG_SPICE */
 
 #define using_spice 0
-#define qemu_spice_set_passwd(_p, _f1, _f2) (-1)
-#define qemu_spice_set_pw_expire(_e) (-1)
+static inline int qemu_spice_set_passwd(const char *passwd,
+                                        bool fail_if_connected,
+                                        bool disconnect_if_connected)
+{
+    return -1;
+}
+static inline int qemu_spice_set_pw_expire(time_t expires)
+{
+    return -1;
+}
 
 #endif /* CONFIG_SPICE */