diff --git a/dll/3rdparty/libtirpc/src/rpc_generic.c b/dll/3rdparty/libtirpc/src/rpc_generic.c
index fc646f5bc50..ec13e56f69a 100644
--- a/dll/3rdparty/libtirpc/src/rpc_generic.c
+++ b/dll/3rdparty/libtirpc/src/rpc_generic.c
@@ -641,7 +641,7 @@ void freenetbuf(struct netbuf *nbuf)
 #ifdef __REACTOS__
 PCSTR
 WSAAPI
-inet_ntop(INT af, PVOID src, PSTR dst, size_t cnt)
+inet_ntop(INT af, const VOID *src, PSTR dst, size_t cnt)
 {
 	struct in_addr in;
 	char *text_addr;
diff --git a/dll/win32/winhttp/inet_ntop.c b/dll/win32/winhttp/inet_ntop.c
index 99d5ccdcf19..8e40e261e33 100644
--- a/dll/win32/winhttp/inet_ntop.c
+++ b/dll/win32/winhttp/inet_ntop.c
@@ -54,7 +54,7 @@ static const char *inet_ntop6(const u_char *src, char *dst, size_t size);
 
 PCSTR
 WSAAPI
-inet_ntop(INT Family, PVOID pAddr, PSTR pStringBuf, size_t StringBufSize)
+inet_ntop(INT Family, const VOID *pAddr, PSTR pStringBuf, size_t StringBufSize)
 {
 
 	switch (Family) {
diff --git a/dll/win32/wininet/inet_ntop.c b/dll/win32/wininet/inet_ntop.c
index 27a388f9146..378b67d9ab1 100644
--- a/dll/win32/wininet/inet_ntop.c
+++ b/dll/win32/wininet/inet_ntop.c
@@ -53,7 +53,7 @@ PCSTR
 WSAAPI
 inet_ntop(
   _In_ INT af,
-  _In_ PVOID src,
+  _In_ const VOID *src,
   _Out_writes_(StringBufSize) PSTR dst,
   _In_ size_t size)
 {