diff --git a/gio/gfile.c b/gio/gfile.c
index c7658caa2..8c3fc48de 100644
--- a/gio/gfile.c
+++ b/gio/gfile.c
@@ -2743,10 +2743,12 @@ open_source_for_copy (GFile           *source,
 static gboolean
 should_copy (GFileAttributeInfo *info,
              gboolean            copy_all_attributes,
-             gboolean            skip_perms)
+             gboolean            skip_perms,
+             gboolean            skip_modified_time)
 {
-  if (skip_perms && strcmp(info->name, "unix::mode") == 0)
-        return FALSE;
+  if ((skip_perms && strcmp(info->name, "unix::mode") == 0) ||
+      (skip_modified_time && strncmp(info->name, "time::modified", 14) == 0))
+    return FALSE;
 
   if (copy_all_attributes)
     return info->flags & G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED;
@@ -2789,6 +2791,7 @@ g_file_build_attribute_list_for_copy (GFile                  *file,
   int i;
   gboolean copy_all_attributes;
   gboolean skip_perms;
+  gboolean skip_modified_time;
 
   g_return_val_if_fail (G_IS_FILE (file), NULL);
   g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), NULL);
@@ -2796,6 +2799,7 @@ g_file_build_attribute_list_for_copy (GFile                  *file,
 
   copy_all_attributes = flags & G_FILE_COPY_ALL_METADATA;
   skip_perms = (flags & G_FILE_COPY_TARGET_DEFAULT_PERMS) != 0;
+  skip_modified_time = (flags & G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME) != 0;
 
   /* Ignore errors here, if the target supports no attributes there is
    * nothing to copy.  We still honor the cancellable though.
@@ -2823,7 +2827,7 @@ g_file_build_attribute_list_for_copy (GFile                  *file,
     {
       for (i = 0; i < attributes->n_infos; i++)
         {
-          if (should_copy (&attributes->infos[i], copy_all_attributes, skip_perms))
+          if (should_copy (&attributes->infos[i], copy_all_attributes, skip_perms, skip_modified_time))
             {
               if (first)
                 first = FALSE;
@@ -2839,7 +2843,7 @@ g_file_build_attribute_list_for_copy (GFile                  *file,
     {
       for (i = 0; i < namespaces->n_infos; i++)
         {
-          if (should_copy (&namespaces->infos[i], copy_all_attributes, FALSE))
+          if (should_copy (&namespaces->infos[i], copy_all_attributes, FALSE, FALSE))
             {
               if (first)
                 first = FALSE;
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 ();
diff --git a/gio/gioenums.h b/gio/gioenums.h
index c820cd36d..a524acca8 100644
--- a/gio/gioenums.h
+++ b/gio/gioenums.h
@@ -314,6 +314,8 @@ typedef enum {
  * @G_FILE_COPY_ALL_METADATA: Copy all file metadata instead of just default set used for copy (see #GFileInfo).
  * @G_FILE_COPY_NO_FALLBACK_FOR_MOVE: Don't use copy and delete fallback if native move not supported.
  * @G_FILE_COPY_TARGET_DEFAULT_PERMS: Leaves target file with default perms, instead of setting the source file perms.
+ * @G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME: Use default modification
+ *     timestamps instead of copying them from the source file. Since 2.80
  *
  * Flags used when copying or moving files.
  */
@@ -324,7 +326,8 @@ typedef enum {
   G_FILE_COPY_NOFOLLOW_SYMLINKS    = (1 << 2),
   G_FILE_COPY_ALL_METADATA         = (1 << 3),
   G_FILE_COPY_NO_FALLBACK_FOR_MOVE = (1 << 4),
-  G_FILE_COPY_TARGET_DEFAULT_PERMS = (1 << 5)
+  G_FILE_COPY_TARGET_DEFAULT_PERMS = (1 << 5),
+  G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME GIO_AVAILABLE_ENUMERATOR_IN_2_80 = (1 << 6),
 } GFileCopyFlags;
 
 
diff --git a/gio/tests/file.c b/gio/tests/file.c
index 310981b5d..3ece6d4fa 100644
--- a/gio/tests/file.c
+++ b/gio/tests/file.c
@@ -2451,12 +2451,15 @@ test_copy_preserve_mode (void)
       { 0600, 0600, TRUE, G_FILE_COPY_OVERWRITE | G_FILE_COPY_NOFOLLOW_SYMLINKS },
       /* The same behaviour should hold if the destination file is not being
        * overwritten because it doesn’t already exist: */
+      { 0600, 0600, FALSE, G_FILE_COPY_NOFOLLOW_SYMLINKS | G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME | G_FILE_COPY_ALL_METADATA },
       { 0600, 0600, FALSE, G_FILE_COPY_NOFOLLOW_SYMLINKS | G_FILE_COPY_ALL_METADATA },
       { 0600, 0600, FALSE, G_FILE_COPY_NOFOLLOW_SYMLINKS },
       /* Anything with %G_FILE_COPY_TARGET_DEFAULT_PERMS should use the current
        * umask for the destination file: */
       { 0600, 0666 & ~current_umask, TRUE, G_FILE_COPY_TARGET_DEFAULT_PERMS | G_FILE_COPY_OVERWRITE | G_FILE_COPY_NOFOLLOW_SYMLINKS | G_FILE_COPY_ALL_METADATA },
       { 0600, 0666 & ~current_umask, TRUE, G_FILE_COPY_TARGET_DEFAULT_PERMS | G_FILE_COPY_OVERWRITE | G_FILE_COPY_NOFOLLOW_SYMLINKS },
+      { 0600, 0666 & ~current_umask, FALSE, G_FILE_COPY_TARGET_DEFAULT_PERMS | G_FILE_COPY_NOFOLLOW_SYMLINKS | G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME | G_FILE_COPY_ALL_METADATA },
+      { 0600, 0666 & ~current_umask, FALSE, G_FILE_COPY_TARGET_DEFAULT_PERMS | G_FILE_COPY_NOFOLLOW_SYMLINKS | G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME },
       { 0600, 0666 & ~current_umask, FALSE, G_FILE_COPY_TARGET_DEFAULT_PERMS | G_FILE_COPY_NOFOLLOW_SYMLINKS | G_FILE_COPY_ALL_METADATA },
       { 0600, 0666 & ~current_umask, FALSE, G_FILE_COPY_TARGET_DEFAULT_PERMS | G_FILE_COPY_NOFOLLOW_SYMLINKS },
     };
@@ -3375,6 +3378,9 @@ test_build_attribute_list_for_copy (void)
       G_FILE_COPY_TARGET_DEFAULT_PERMS,
       G_FILE_COPY_ALL_METADATA,
       G_FILE_COPY_ALL_METADATA | G_FILE_COPY_TARGET_DEFAULT_PERMS,
+      G_FILE_COPY_ALL_METADATA | G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME,
+      G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME | G_FILE_COPY_TARGET_DEFAULT_PERMS,
+      G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME,
     };
   gsize i;
   char *attrs;
@@ -3416,8 +3422,16 @@ test_build_attribute_list_for_copy (void)
         }
 #endif
 #ifdef HAVE_UTIMES
-      g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED ","));
-      g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC ","));
+      if (flags & G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME)
+        {
+          g_assert_null (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED ","));
+          g_assert_null (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC ","));
+        }
+      else
+        {
+          g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED ","));
+          g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC ","));
+        }
       if (flags & G_FILE_COPY_ALL_METADATA)
         {
           g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_ACCESS ","));
@@ -3430,8 +3444,16 @@ test_build_attribute_list_for_copy (void)
         }
 #endif
 #ifdef HAVE_UTIMENSAT
-      g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED ","));
-      g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED_NSEC ","));
+      if (flags & G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME)
+        {
+          g_assert_null (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED ","));
+          g_assert_null (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED_NSEC ","));
+        }
+      else
+        {
+          g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED ","));
+          g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_MODIFIED_NSEC ","));
+        }
       if (flags & G_FILE_COPY_ALL_METADATA)
         {
           g_assert_nonnull (g_strstr_len (attrs_with_commas, -1, "," G_FILE_ATTRIBUTE_TIME_ACCESS ","));