diff --git a/src/virt-viewer-auth.c b/src/virt-viewer-auth.c
index 119d7f1..dbb3d25 100644
--- a/src/virt-viewer-auth.c
+++ b/src/virt-viewer-auth.c
@@ -114,6 +114,8 @@
     int response;
     char *message;
 
+    gtk_entry_set_text(GTK_ENTRY(self->credUsername), "");
+    gtk_entry_set_text(GTK_ENTRY(self->credPassword), "");
     if (username) {
         gtk_widget_show(self->credUsername);
         gtk_widget_show(self->promptUsername);