diff --git a/src/arduino/Adafruit_USBD_Device.cpp b/src/arduino/Adafruit_USBD_Device.cpp
index b044e15e..3d2a0148 100644
--- a/src/arduino/Adafruit_USBD_Device.cpp
+++ b/src/arduino/Adafruit_USBD_Device.cpp
@@ -319,7 +319,7 @@ uint16_t const *Adafruit_USBD_Device::descriptor_string_cb(uint8_t index,
       return NULL;
     }
 
-    chr_count = strcpy_utf16(_desc_str_arr[index], _desc_str + 1, 32);
+    chr_count = strcpy_utf16(_desc_str_arr[index], _desc_str + 1, 126);
     break;
   }
 
diff --git a/src/arduino/Adafruit_USBD_Device.h b/src/arduino/Adafruit_USBD_Device.h
index 48c4d384..3822c852 100644
--- a/src/arduino/Adafruit_USBD_Device.h
+++ b/src/arduino/Adafruit_USBD_Device.h
@@ -56,7 +56,7 @@ class Adafruit_USBD_Device {
   // String descriptor
   const char *_desc_str_arr[STRING_DESCRIPTOR_MAX];
   uint8_t _desc_str_count;
-  uint16_t _desc_str[32 + 1]; // up to 32 unicode characters with headers
+  uint16_t _desc_str[126 + 1]; // up to 126 unicode characters (252 bytes) with headers
 
 public:
   Adafruit_USBD_Device(void);