diff --git a/examples/UnicodeFilenames/UnicodeFilenames.ino b/examples/UnicodeFilenames/UnicodeFilenames.ino
index a3ba8899..3de0e30b 100644
--- a/examples/UnicodeFilenames/UnicodeFilenames.ino
+++ b/examples/UnicodeFilenames/UnicodeFilenames.ino
@@ -5,8 +5,8 @@
 // USE_UTF8_LONG_NAMES must be non-zero in SdFat/src/SdFatCongfig.h
 #if USE_UTF8_LONG_NAMES
 
-#define UTF8_FOLDER u8"😀"
-const char* names[] = {u8"россиянин", u8"très élégant", u8"狗.txt", nullptr};
+#define UTF8_FOLDER (const char *)"😀"
+const char* names[] = {(const char *)"россиянин", (const char *)"très élégant", (const char *)"狗.txt", nullptr};
 
 // Remove files if non-zero.
 #define REMOVE_UTF8_FILES 1