--- src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c~	2021-12-07 09:58:25.148848300 +0000

+++ src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c	2021-12-07 09:59:52.991258670 +0000

@@ -597,7 +597,7 @@

     }

 finish:

-  g_debug ("RuntimeIsKnown => (%d, %"G_GSIZE_FORMAT")", found, download_size);

+  g_debug ("RuntimeIsKnown => (%d, %"G_GINT64_FORMAT")", found, download_size);

   ipc_flatpak_service_complete_runtime_is_known (g_task_get_source_object (task),

                                                  g_steal_pointer (&state->invocation),

                                                  found,