diff --git a/src/remote-viewer-main.c b/src/remote-viewer-main.c
index 624ddc6..f0c4efa 100644
--- a/src/remote-viewer-main.c
+++ b/src/remote-viewer-main.c
@@ -123,6 +123,8 @@ main(int argc, char **argv)
         goto cleanup;
     }
 
+    gtk_window_set_default_icon_name("virt-viewer");
+
     virt_viewer_app_set_debug(debug);
 
 #if HAVE_SPICE_GTK