diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index d3d795bf9da26ba6444b71ab191cf8f5cfa0deed..3c860bc59503e5c9275653a190ca04b65fd5eb77 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -167,6 +167,10 @@ pub fn format(
                 '}' => {
                     const arg_to_print = comptime nextArg(&used_pos_args, maybe_pos_arg, &next_arg);
 
+                    if (arg_to_print >= args.len) {
+                        @compileError("Too few arguments");
+                    }
+
                     try formatType(
                         args[arg_to_print],
                         fmt[0..0],