diff --git a/core/include/byteorder.h b/core/include/byteorder.h
index fc07c0e16cc99885e5cc3f3afb6cb4ab494183d8..fcfa1564e858fcb63820008fe57cde0c4c800f3f 100644
--- a/core/include/byteorder.h
+++ b/core/include/byteorder.h
@@ -230,7 +230,7 @@ static inline uint64_t byteorder_swapll(uint64_t v);
  * @param[in]      v   The integer to convert.
  * @returns        Converted integer.
  */
-static inline uint16_t HTONS(uint16_t v);
+static inline uint16_t htons(uint16_t v);
 
 /**
  * @brief          Convert from host byte order to network byte order, 32 bit.
@@ -238,7 +238,7 @@ static inline uint16_t HTONS(uint16_t v);
  * @param[in]      v   The integer to convert.
  * @returns        Converted integer.
  */
-static inline uint32_t HTONL(uint32_t v);
+static inline uint32_t htonl(uint32_t v);
 
 /**
  * @brief          Convert from host byte order to network byte order, 64 bit.
@@ -246,7 +246,7 @@ static inline uint32_t HTONL(uint32_t v);
  * @param[in]      v   The integer to convert.
  * @returns        Converted integer.
  */
-static inline uint64_t HTONLL(uint64_t v);
+static inline uint64_t htonll(uint64_t v);
 
 /**
  * @brief          Convert from network byte order to host byte order, 16 bit.
@@ -254,7 +254,7 @@ static inline uint64_t HTONLL(uint64_t v);
  * @param[in]      v   The integer to convert.
  * @returns        Converted integer.
  */
-static inline uint16_t NTOHS(uint16_t v);
+static inline uint16_t ntohs(uint16_t v);
 
 /**
  * @brief          Convert from network byte order to host byte order, 32 bit.
@@ -262,7 +262,7 @@ static inline uint16_t NTOHS(uint16_t v);
  * @param[in]      v   The integer to convert.
  * @returns        Converted integer.
  */
-static inline uint32_t NTOHL(uint32_t v);
+static inline uint32_t ntohl(uint32_t v);
 
 /**
  * @brief          Convert from network byte order to host byte order, 64 bit.
@@ -270,7 +270,7 @@ static inline uint32_t NTOHL(uint32_t v);
  * @param[in]      v   The integer to convert.
  * @returns        Converted integer.
  */
-static inline uint64_t NTOHLL(uint64_t v);
+static inline uint64_t ntohll(uint64_t v);
 
 
 /* **************************** IMPLEMENTATION ***************************** */
@@ -385,34 +385,34 @@ static inline uint64_t byteorder_ntohll(network_uint64_t v)
     return _byteorder_swap(v.u64, ll);
 }
 
-static inline uint16_t HTONS(uint16_t v)
+static inline uint16_t htons(uint16_t v)
 {
     return byteorder_htons(v).u16;
 }
 
-static inline uint32_t HTONL(uint32_t v)
+static inline uint32_t htonl(uint32_t v)
 {
     return byteorder_htonl(v).u32;
 }
 
-static inline uint64_t HTONLL(uint64_t v)
+static inline uint64_t htonll(uint64_t v)
 {
     return byteorder_htonll(v).u64;
 }
 
-static inline uint16_t NTOHS(uint16_t v)
+static inline uint16_t ntohs(uint16_t v)
 {
     network_uint16_t input = { v };
     return byteorder_ntohs(input);
 }
 
-static inline uint32_t NTOHL(uint32_t v)
+static inline uint32_t ntohl(uint32_t v)
 {
     network_uint32_t input = { v };
     return byteorder_ntohl(input);
 }
 
-static inline uint64_t NTOHLL(uint64_t v)
+static inline uint64_t ntohll(uint64_t v)
 {
     network_uint64_t input = { v };
     return byteorder_ntohll(input);