diff --git a/Bootloaders/CDC/Descriptors.h b/Bootloaders/CDC/Descriptors.h
index 8c6fade2cb..538449fbe7 100644
--- a/Bootloaders/CDC/Descriptors.h
+++ b/Bootloaders/CDC/Descriptors.h
@@ -84,7 +84,7 @@
 			#define AVR_SIGNATURE_3               0x89
 		#elif defined(__AVR_AT90USB82__)
 			#define AVR_SIGNATURE_1               0x1E
-			#define AVR_SIGNATURE_2               0x94
+			#define AVR_SIGNATURE_2               0x93
 			#define AVR_SIGNATURE_3               0x82
 		#else
 			#error The selected AVR part is not currently supported by this bootloader.
diff --git a/Bootloaders/DFU/Descriptors.h b/Bootloaders/DFU/Descriptors.h
index d31fca8507..a19ce09688 100644
--- a/Bootloaders/DFU/Descriptors.h
+++ b/Bootloaders/DFU/Descriptors.h
@@ -118,7 +118,7 @@
 		#elif defined(__AVR_AT90USB82__)
 			#define PRODUCT_ID_CODE               0x2FF7
 			#define AVR_SIGNATURE_1               0x1E
-			#define AVR_SIGNATURE_2               0x94
+			#define AVR_SIGNATURE_2               0x93
 			#define AVR_SIGNATURE_3               0x82
 		#else
 			#error The selected AVR part is not currently supported by this bootloader.