diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index d684a99ce..9469a7aa5 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,8 @@
+2007-03-05  Jan Nijtmans  <nijtmans@users.sourceforge.net>
+
+	* include/ddeml.h (DdeCreateStringHandleA, DdeCreateStringHandleW): Switch
+	argument to constant.
+
 2007-02-18  Jiri Malak  <jiri.malak@iol.cz>
 
 	* include/windef.h [WATCOM]: Fix !NONAMELESSUNION defines.
diff --git a/winsup/w32api/include/ddeml.h b/winsup/w32api/include/ddeml.h
index 6ae3bc12e..67b4199fe 100644
--- a/winsup/w32api/include/ddeml.h
+++ b/winsup/w32api/include/ddeml.h
@@ -259,8 +259,8 @@ int WINAPI DdeCmpStringHandles(HSZ,HSZ);
 HCONV WINAPI DdeConnect(DWORD,HSZ,HSZ,PCONVCONTEXT);
 HCONVLIST WINAPI DdeConnectList(DWORD,HSZ,HSZ,HCONVLIST,PCONVCONTEXT);
 HDDEDATA WINAPI DdeCreateDataHandle(DWORD,PBYTE,DWORD,DWORD,HSZ,UINT,UINT);
-HSZ WINAPI DdeCreateStringHandleA(DWORD,LPSTR,int);
-HSZ WINAPI DdeCreateStringHandleW(DWORD,LPWSTR,int);
+HSZ WINAPI DdeCreateStringHandleA(DWORD,LPCSTR,int);
+HSZ WINAPI DdeCreateStringHandleW(DWORD,LPCWSTR,int);
 BOOL WINAPI DdeDisconnect(HCONV);
 BOOL WINAPI DdeDisconnectList(HCONVLIST);
 BOOL WINAPI DdeEnableCallback(DWORD,HCONV,UINT);