diff --git a/sh/sh.c b/sh/sh.c
index 9ea8834b..2b382245 100644
--- a/sh/sh.c
+++ b/sh/sh.c
@@ -2024,7 +2024,9 @@ void read_command_interactive(struct sh_read_command* sh_read_command)
 	edit_state.complete_context = NULL;
 	edit_state.complete = do_complete;
 
-	const char* def_ps1 = "\\033[;1;32m\\u@\\H \\033[1;34m\\w \\$\\033[m ";
+	const char* def_ps1 = !getuid() ?
+		"\\033[;1;31m\\u\033[1;33m@\\H \\033[1;34m\\w \\033[1;31m\\$\\033[m " :
+		"\\033[;1;32m\\u@\\H \\033[1;34m\\w \\$\\033[m ";
 	const char* def_ps2 = "> ";
 	edit_state.ps1 = eval_ps(getenv_safe_def("PS1", def_ps1));
 	edit_state.ps2 = eval_ps(getenv_safe_def("PS2", def_ps2));