diff --git a/include/enet/enet.h b/include/enet/enet.h
index 716635b..d73655f 100644
--- a/include/enet/enet.h
+++ b/include/enet/enet.h
@@ -497,7 +497,7 @@ ENET_API int enet_address_get_host (const ENetAddress * address, char * hostName
 ENET_API ENetPacket * enet_packet_create (const void *, size_t, enet_uint32);
 ENET_API void         enet_packet_destroy (ENetPacket *);
 ENET_API int          enet_packet_resize  (ENetPacket *, size_t);
-extern enet_uint32    enet_crc32 (const ENetBuffer *, size_t);
+ENET_API enet_uint32  enet_crc32 (const ENetBuffer *, size_t);
                 
 ENET_API ENetHost * enet_host_create (const ENetAddress *, size_t, size_t, enet_uint32, enet_uint32);
 ENET_API void       enet_host_destroy (ENetHost *);