diff --git a/reactos/dll/win32/shell32/control.cpp b/reactos/dll/win32/shell32/control.cpp
index 8f8a688e4e9..09dcbd6a5a4 100644
--- a/reactos/dll/win32/shell32/control.cpp
+++ b/reactos/dll/win32/shell32/control.cpp
@@ -432,7 +432,7 @@ static void Control_DoLaunch(CPanel *pPanel, HWND hWnd, LPCWSTR pwszCmd)
             /* Start the applet */
             TRACE("Starting applet %d\n", i);
             if (!pApplet->proc(pApplet->hWnd, CPL_DBLCLK, i, pApplet->info[i].lData))
-                pApplet->proc(pApplet->hWnd, CPL_STARTWPARMSA, i, (LPARAM)pwszArg);
+                pApplet->proc(pApplet->hWnd, CPL_STARTWPARMSW, i, (LPARAM)pwszArg);
         } else
             ERR("Applet not found: %ls\n", pwszArg ? pwszArg : L"NULL");