prosodyctl: Use correct separator in chown call (fixes #1093)

1 files changed, 1 insertions, 1 deletions

diff --git a/prosodyctl b/prosodyctl
index c4f51f35..fcfc4c2e 100755
--- a/prosodyctl
+++ b/prosodyctl
@@ -868,7 +868,7 @@ local function copy(from, to, umask, owner, group)
 	assert(input:close());
 	assert(output:close());
 	if owner and group then
-		local ok = os.execute(("chown %s.%s %s"):format(sh_esc(owner), sh_esc(group), sh_esc(to)));
+		local ok = os.execute(("chown %s:%s %s"):format(sh_esc(owner), sh_esc(group), sh_esc(to)));
 		assert(ok == true or ok == 0, "Failed to change ownership of "..to);
 	end
 	if old_umask then pposix.umask(old_umask); end