diff --git a/programs/wordpad/print.c b/programs/wordpad/print.c
index c0cd182d17e..933c8b845d6 100644
--- a/programs/wordpad/print.c
+++ b/programs/wordpad/print.c
@@ -814,7 +814,7 @@ void update_preview(HWND hWnd)
     InvalidateRect(hWnd, &rc, TRUE);
 }
 
-LRESULT preview_command(HWND hWnd, WPARAM wParam, LPARAM lParam)
+LRESULT preview_command(HWND hWnd, WPARAM wParam)
 {
     switch(LOWORD(wParam))
     {
diff --git a/programs/wordpad/wordpad.c b/programs/wordpad/wordpad.c
index be6bb8be55a..d98758aa880 100644
--- a/programs/wordpad/wordpad.c
+++ b/programs/wordpad/wordpad.c
@@ -2467,7 +2467,7 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lPara
     case WM_COMMAND:
         if(preview_isactive())
         {
-            return preview_command( hWnd, wParam, lParam );
+            return preview_command( hWnd, wParam );
         }
 
         return OnCommand( hWnd, wParam, lParam );
diff --git a/programs/wordpad/wordpad.h b/programs/wordpad/wordpad.h
index 96b2a25893f..9f093b32a79 100644
--- a/programs/wordpad/wordpad.h
+++ b/programs/wordpad/wordpad.h
@@ -204,7 +204,7 @@ void dialog_printsetup(HWND);
 void dialog_print(HWND, LPWSTR);
 void target_device(HWND, DWORD);
 void print_quick(LPWSTR);
-LRESULT preview_command(HWND, WPARAM, LPARAM);
+LRESULT preview_command(HWND, WPARAM);
 void init_preview(HWND, LPWSTR);
 void close_preview(HWND);
 BOOL preview_isactive(void);