diff --git a/relay32/user32.spec b/relay32/user32.spec
index 7d020f9debd..bd57c6171c1 100644
--- a/relay32/user32.spec
+++ b/relay32/user32.spec
@@ -71,7 +71,7 @@ type	win32
  68 stub CreateDesktopA
  69 stub CreateDesktopW
  70 stdcall CreateDialogIndirectParamA(long ptr long ptr long) CreateDialogIndirectParam32A
- 71 stub CreateDialogIndirectParamAorW
+ 71 stdcall CreateDialogIndirectParamAorW (long ptr long ptr long) CreateDialogIndirectParam32AorW
  72 stdcall CreateDialogIndirectParamW(long ptr long ptr long) CreateDialogIndirectParam32W
  73 stdcall CreateDialogParamA(long ptr long ptr long) CreateDialogParam32A
  74 stdcall CreateDialogParamW(long ptr long ptr long) CreateDialogParam32W
diff --git a/windows/dialog.c b/windows/dialog.c
index d636937f324..ae82fdfa518 100644
--- a/windows/dialog.c
+++ b/windows/dialog.c
@@ -747,7 +747,6 @@ HWND16 WINAPI CreateDialogParam16( HINSTANCE16 hInst, SEGPTR dlgTemplate,
     return hwnd;
 }
 
-
 /***********************************************************************
  *           CreateDialogParam32A   (USER32.73)
  */
@@ -816,6 +815,17 @@ HWND32 WINAPI CreateDialogIndirectParam32A( HINSTANCE32 hInst,
                                   (DLGPROC16)dlgProc, param, WIN_PROC_32A );
 }
 
+/***********************************************************************
+ *           CreateDialogIndirectParam32AorW   (USER32.71)
+ */
+HWND32 WINAPI CreateDialogIndirectParam32AorW( HINSTANCE32 hInst,
+                                            LPCVOID dlgTemplate,
+                                            HWND32 owner, DLGPROC32 dlgProc,
+                                            LPARAM param )
+{   FIXME(dialog,"assume WIN_PROC_32W\n");
+    return DIALOG_CreateIndirect( hInst, dlgTemplate, TRUE, owner,
+                                  (DLGPROC16)dlgProc, param, WIN_PROC_32W );
+}
 
 /***********************************************************************
  *           CreateDialogIndirectParam32W   (USER32.72)