diff --git a/gio/gio-tool-copy.c b/gio/gio-tool-copy.c
index 4a1dc4368..1b7ab48dc 100644
--- a/gio/gio-tool-copy.c
+++ b/gio/gio-tool-copy.c
@@ -40,6 +40,7 @@ static gboolean preserve = FALSE;
 static gboolean backup = FALSE;
 static gboolean no_dereference = FALSE;
 static gboolean default_permissions = FALSE;
+static gboolean default_modified_time = FALSE;
 
 static const GOptionEntry entries[] = {
   { "no-target-directory", 'T', 0, G_OPTION_ARG_NONE, &no_target_directory, N_("No target directory"), NULL },
@@ -49,6 +50,7 @@ static const GOptionEntry entries[] = {
   { "backup", 'b', 0, G_OPTION_ARG_NONE, &backup, N_("Backup existing destination files"), NULL },
   { "no-dereference", 'P', 0, G_OPTION_ARG_NONE, &no_dereference, N_("Never follow symbolic links"), NULL },
   { "default-permissions", 0, 0, G_OPTION_ARG_NONE, &default_permissions, N_("Use default permissions for the destination"), NULL },
+  { "default-modified-time", 0, 0, G_OPTION_ARG_NONE, &default_modified_time, N_("Use default file modification timestamps for the destination"), NULL },
   G_OPTION_ENTRY_NULL
 };
 
@@ -181,6 +183,8 @@ handle_copy (int argc, char *argv[], gboolean do_help)
         flags |= G_FILE_COPY_ALL_METADATA;
       if (default_permissions)
         flags |= G_FILE_COPY_TARGET_DEFAULT_PERMS;
+      if (default_modified_time)
+        flags |= G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME;
 
       error = NULL;
       start_time = g_get_monotonic_time ();