diff --git a/firmware/basic/uuid.c b/firmware/basic/uuid.c
index c6d59a2..69c1430 100644
--- a/firmware/basic/uuid.c
+++ b/firmware/basic/uuid.c
@@ -30,7 +30,7 @@ static uint16_t __GetUUID16(void){
     return crc16 ((uint8_t *) iap_return.Result, sizeof (iap_return.Result));
 };
 
-uint32_t initUUID(void){
+void initUUID(void){
     uuid32=__GetUUID32();
     uuid16=__GetUUID16();
 };
diff --git a/firmware/basic/uuid.h b/firmware/basic/uuid.h
index d64d92b..75f6087 100644
--- a/firmware/basic/uuid.h
+++ b/firmware/basic/uuid.h
@@ -3,6 +3,7 @@
 #include <stdint.h>
 
 uint32_t GetUUID32(void);
+void initUUID(void);
 
 #endif