diff --git a/net-im/debugtox/files/patch-src_models_bytes_bytearray.cpp b/net-im/debugtox/files/patch-src_models_bytes_bytearray.cpp
new file mode 100644
index 000000000000..7e7cfbb91cde
--- /dev/null
+++ b/net-im/debugtox/files/patch-src_models_bytes_bytearray.cpp
@@ -0,0 +1,16 @@
+Fix build with Qt >= 6.9.0
+
+https://github.com/TokTok/debugtox/pull/23
+
+--- src/models/bytes/bytearray.cpp.orig	2025-02-08 00:20:16 UTC
++++ src/models/bytes/bytearray.cpp
+@@ -14,7 +14,8 @@ QString ByteArray::toString() const
+         if (c.isPrint() || c.isSpace()) {
+             result += c;
+         } else {
+-            result += QStringLiteral("\\x%1").arg(c.unicode(), 2, 16, QLatin1Char('0'));
++            result += QStringLiteral("\\x%1").arg(static_cast<quint16>(c.unicode()), 2, 16,
++                                                  QLatin1Char('0'));
+         }
+     }
+     return result;