diff --git a/dlls/mpr/wnet.c b/dlls/mpr/wnet.c
index 3f57caf2044..f20e31842c3 100644
--- a/dlls/mpr/wnet.c
+++ b/dlls/mpr/wnet.c
@@ -447,7 +447,7 @@ static PWNetEnumerator _createContextEnumerator(DWORD dwScope, DWORD dwType,
  * if not all members of the array could be thunked, and something else on
  * failure.
  */
-static DWORD _thunkNetResourceArrayWToA(const LPNETRESOURCEW lpNetArrayIn,
+static DWORD _thunkNetResourceArrayWToA(const NETRESOURCEW *lpNetArrayIn,
  LPDWORD lpcCount, LPVOID lpBuffer, LPDWORD lpBufferSize)
 {
     DWORD i, numToThunk, totalBytes, ret;
@@ -466,7 +466,7 @@ static DWORD _thunkNetResourceArrayWToA(const LPNETRESOURCEW lpNetArrayIn,
 
     for (i = 0, numToThunk = 0, totalBytes = 0; i < *lpcCount; i++)
     {
-        LPNETRESOURCEW lpNet = lpNetArrayIn + i;
+        const NETRESOURCEW *lpNet = lpNetArrayIn + i;
 
         totalBytes += sizeof(NETRESOURCEA);
         if (lpNet->lpLocalName)
@@ -488,7 +488,7 @@ static DWORD _thunkNetResourceArrayWToA(const LPNETRESOURCEW lpNetArrayIn,
     for (i = 0; i < numToThunk; i++)
     {
         LPNETRESOURCEA lpNetOut = (LPNETRESOURCEA)lpBuffer + i;
-        LPNETRESOURCEW lpNetIn = lpNetArrayIn + i;
+        const NETRESOURCEW *lpNetIn = lpNetArrayIn + i;
 
         memcpy(lpNetOut, lpNetIn, sizeof(NETRESOURCEA));
         /* lie about string lengths, we already verified how many
@@ -532,7 +532,7 @@ static DWORD _thunkNetResourceArrayWToA(const LPNETRESOURCEW lpNetArrayIn,
  * if not all members of the array could be thunked, and something else on
  * failure.
  */
-static DWORD _thunkNetResourceArrayAToW(const LPNETRESOURCEA lpNetArrayIn,
+static DWORD _thunkNetResourceArrayAToW(const NETRESOURCEA *lpNetArrayIn,
  LPDWORD lpcCount, LPVOID lpBuffer, LPDWORD lpBufferSize)
 {
     DWORD i, numToThunk, totalBytes, ret;
@@ -551,7 +551,7 @@ static DWORD _thunkNetResourceArrayAToW(const LPNETRESOURCEA lpNetArrayIn,
 
     for (i = 0, numToThunk = 0, totalBytes = 0; i < *lpcCount; i++)
     {
-        LPNETRESOURCEA lpNet = lpNetArrayIn + i;
+        const NETRESOURCEA *lpNet = lpNetArrayIn + i;
 
         totalBytes += sizeof(NETRESOURCEW);
         if (lpNet->lpLocalName)
@@ -573,7 +573,7 @@ static DWORD _thunkNetResourceArrayAToW(const LPNETRESOURCEA lpNetArrayIn,
     for (i = 0; i < numToThunk; i++)
     {
         LPNETRESOURCEW lpNetOut = (LPNETRESOURCEW)lpBuffer + i;
-        LPNETRESOURCEA lpNetIn = lpNetArrayIn + i;
+        const NETRESOURCEA *lpNetIn = lpNetArrayIn + i;
 
         memcpy(lpNetOut, lpNetIn, sizeof(NETRESOURCEW));
         /* lie about string lengths, we already verified how many