diff --git a/libnetdutils/LogTest.cpp b/libnetdutils/LogTest.cpp
index e95b30d..1270560 100644
--- a/libnetdutils/LogTest.cpp
+++ b/libnetdutils/LogTest.cpp
@@ -128,6 +128,12 @@
     EXPECT_EQ("testFunc(65, 100, -1000)", entry.toString());
 }
 
+TEST(LogEntryTest, PrintHex) {
+    const std::vector<uint8_t> buf{0xDE, 0xAD, 0xBE, 0xEF};
+    const LogEntry entry = LogEntry().function("testFunc").arg(buf);
+    EXPECT_EQ("testFunc({deadbeef})", entry.toString());
+}
+
 TEST(LogEntryTest, PrintArgumentPack) {
     const LogEntry entry = LogEntry().function("testFunc").args("hello", 42, false);
     EXPECT_EQ("testFunc(hello, 42, false)", entry.toString());