diff --git a/openbsc/include/openbsc/crc24.h b/openbsc/include/openbsc/crc24.h
index 358fcb5..74c253f 100644
--- a/openbsc/include/openbsc/crc24.h
+++ b/openbsc/include/openbsc/crc24.h
@@ -3,6 +3,6 @@
 
 #define INIT_CRC24	0xffffff
 
-u_int32_t crc24_calc(u_int32_t fcs, u_int8_t *cp, unsigned int len);
+uint32_t crc24_calc(uint32_t fcs, uint8_t *cp, unsigned int len);
 
 #endif