1 files changed, 3 insertions, 1 deletions

diff --git a/firmware/include/crc32.h b/firmware/include/crc32.h
index 034c3984ab..8e1f868988 100644
--- a/firmware/include/crc32.h
+++ b/firmware/include/crc32.h
@@ -18,10 +18,12 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
+#include <stdint.h>
+
 #ifndef _CRC32_H
 #define _CRC32_H
 
-unsigned crc_32(const void *src, unsigned len, unsigned crc32);
+uint32_t crc_32(const void *src, uint32_t len, uint32_t crc32);
 
 #endif