diff --git a/sys/net/network_layer/fib/fib.c b/sys/net/network_layer/fib/fib.c
index 84290c2b14..0f01e786fe 100644
--- a/sys/net/network_layer/fib/fib.c
+++ b/sys/net/network_layer/fib/fib.c
@@ -484,7 +484,7 @@ void fib_deinit(void)
     mutex_unlock(&mtx_access);
 }
 
-int fib_register_rrp(uint8_t *prefix, size_t prefix_size)
+int fib_register_rp(uint8_t *prefix, size_t prefix_size)
 {
     mutex_lock(&mtx_access);