diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 35e3d28c22..c41428b048 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -343,7 +343,7 @@ qemuMonitorPtr qemuMonitorOpen(virDomainObjPtr vm,
                                unsigned long long timeout,
                                qemuMonitorCallbacksPtr cb,
                                void *opaque)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(6);
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5);
 qemuMonitorPtr qemuMonitorOpenFD(virDomainObjPtr vm,
                                  int sockfd,
                                  qemuMonitorCallbacksPtr cb,