diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 85790b1657..5e119a237f 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -279,7 +279,7 @@ qemuConnectAgent(virQEMUDriverPtr driver, virDomainObjPtr vm)
  * performed
  */
 static void
-qemuProcessHandleMonitorEOF(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
+qemuProcessHandleMonitorEOF(qemuMonitorPtr mon,
                             virDomainObjPtr vm,
                             void *opaque)
 {