diff --git a/src/qemu/qemu_agent.c b/src/qemu/qemu_agent.c
index 2cd0ccc709..4a3820cef5 100644
--- a/src/qemu/qemu_agent.c
+++ b/src/qemu/qemu_agent.c
@@ -161,6 +161,7 @@ static void qemuAgentDispose(void *obj)
         (mon->cb->destroy)(mon, mon->vm);
     virCondDestroy(&mon->notify);
     VIR_FREE(mon->buffer);
+    virResetError(&mon->lastError);
 }
 
 static int