diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a7d5a95c..6d81f233 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -77,6 +77,10 @@ add_fmt_test(compile-test)
 add_fmt_test(printf-test)
 add_fmt_test(ranges-test)
 add_fmt_test(scan-test)
+add_fmt_test(unicode-test HEADER_ONLY)
+if (MSVC)
+  target_compile_options(unicode-test PRIVATE /utf-8)
+endif ()
 add_fmt_test(wchar-test)
 
 if (FMT_CAN_MODULE)
diff --git a/test/unicode-test.cc b/test/unicode-test.cc
new file mode 100644
index 00000000..bceadc61
--- /dev/null
+++ b/test/unicode-test.cc
@@ -0,0 +1,11 @@
+// Formatting library for C++ - Unicode tests
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#include "fmt/core.h"
+#include "gtest/gtest.h"
+
+TEST(unicode_test, is_utf8) { EXPECT_TRUE(fmt::detail::is_utf8()); }
\ No newline at end of file