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-rw-r--r--tinyusb/common/errors.c2
-rw-r--r--tinyusb/common/errors.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/tinyusb/common/errors.c b/tinyusb/common/errors.c
index 58b9e6b8d..0b36a6c8b 100644
--- a/tinyusb/common/errors.c
+++ b/tinyusb/common/errors.c
@@ -39,7 +39,7 @@
#if TUSB_CFG_DEBUG == 3
-char const* const TUSB_ErrorStr[] =
+unsigned char const* const TUSB_ErrorStr[] =
{
ERROR_TABLE(ERROR_STRING)
0
diff --git a/tinyusb/common/errors.h b/tinyusb/common/errors.h
index e771794c1..bf1998365 100644
--- a/tinyusb/common/errors.h
+++ b/tinyusb/common/errors.h
@@ -76,7 +76,7 @@ typedef enum {
#if TUSB_CFG_DEBUG == 3
/// Enum to String for debugging purposes. Only available if \ref TUSB_CFG_DEBUG > 0
-extern char const* const TUSB_ErrorStr[];
+extern unsigned char const* const TUSB_ErrorStr[];
#endif
#ifdef __cplusplus