diff --git a/dlls/kernel/comm.c b/dlls/kernel/comm.c
index 5f6dbd35b4a..3e09f6a8c82 100644
--- a/dlls/kernel/comm.c
+++ b/dlls/kernel/comm.c
@@ -2124,7 +2124,7 @@ static WCHAR lpszSerialUI[] = {
  */
 BOOL WINAPI CommConfigDialogA(
     LPCSTR lpszDevice,         /* [in] name of communications device */
-    HANDLE hWnd,               /* [in] parent window for the dialog */
+    HWND hWnd,                 /* [in] parent window for the dialog */
     LPCOMMCONFIG lpCommConfig) /* [out] pointer to struct to fill */
 {
     FARPROC lpfnCommDialog;
@@ -2154,7 +2154,7 @@ BOOL WINAPI CommConfigDialogA(
  */
 BOOL WINAPI CommConfigDialogW(
     LPCWSTR lpszDevice,        /* [in] name of communications device */
-    HANDLE hWnd,               /* [in] parent window for the dialog */
+    HWND hWnd,                 /* [in] parent window for the dialog */
     LPCOMMCONFIG lpCommConfig) /* [out] pointer to struct to fill */
 {
     FARPROC lpfnCommDialog;
diff --git a/include/winbase.h b/include/winbase.h
index d6a409cc95a..6381850c988 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -1222,8 +1222,8 @@ BOOL        WINAPI ClearEventLogW(HANDLE,LPCWSTR);
 #define     ClearEventLog WINELIB_NAME_AW(ClearEventLog)
 BOOL        WINAPI CloseEventLog(HANDLE);
 BOOL        WINAPI CloseHandle(HANDLE);
-BOOL        WINAPI CommConfigDialogA(LPCSTR,HANDLE,LPCOMMCONFIG);
-BOOL        WINAPI CommConfigDialogW(LPCWSTR,HANDLE,LPCOMMCONFIG);
+BOOL        WINAPI CommConfigDialogA(LPCSTR,HWND,LPCOMMCONFIG);
+BOOL        WINAPI CommConfigDialogW(LPCWSTR,HWND,LPCOMMCONFIG);
 #define     CommConfigDialog WINELIB_NAME_AW(CommConfigDialog)
 BOOL        WINAPI ConnectNamedPipe(HANDLE,LPOVERLAPPED);
 BOOL        WINAPI ContinueDebugEvent(DWORD,DWORD,DWORD);