diff --git a/std/fmt/index.zig b/std/fmt/index.zig
index 345c46441d77adccf2af82f1f2a6322f44e7d874..f9b68d7941858ecd821524d2f5f2a59639a3f230 100644
--- a/std/fmt/index.zig
+++ b/std/fmt/index.zig
@@ -1281,6 +1281,8 @@ test "fmt.format" {
         const some_bytes = "\xCA\xFE\xBA\xBE";
         try testFmt("lowercase: cafebabe\n", "lowercase: {x}\n", some_bytes);
         try testFmt("uppercase: CAFEBABE\n", "uppercase: {X}\n", some_bytes);
+        const bytes_with_zeros = "\x00\x0E\xBA\xBE";
+        try testFmt("lowercase: 000ebabe\n", "lowercase: {x}\n", bytes_with_zeros);
     }
 }