diff --git a/programs/winecfg/appdefaults.c b/programs/winecfg/appdefaults.c
index 28ec4fe98de..8e48949d036 100644
--- a/programs/winecfg/appdefaults.c
+++ b/programs/winecfg/appdefaults.c
@@ -319,7 +319,8 @@ static void on_add_app_click(HWND dialog)
   OPENFILENAMEW ofn = { sizeof(OPENFILENAMEW),
 		       0, /*hInst*/0, 0, NULL, 0, 0, NULL,
 		       0, NULL, 0, pathC, 0,
-		       OFN_SHOWHELP | OFN_HIDEREADONLY, 0, 0, NULL, 0, NULL };
+		       OFN_SHOWHELP | OFN_HIDEREADONLY | OFN_ENABLESIZING,
+                       0, 0, NULL, 0, NULL };
 
   LoadStringW (GetModuleHandle (NULL), IDS_SELECT_EXECUTABLE, selectExecutableStr,
       sizeof(selectExecutableStr)/sizeof(selectExecutableStr[0]));
diff --git a/programs/winecfg/theme.c b/programs/winecfg/theme.c
index 537a113cafe..afbd6deb3f4 100644
--- a/programs/winecfg/theme.c
+++ b/programs/winecfg/theme.c
@@ -642,7 +642,7 @@ static void on_theme_install(HWND dialog)
   ofn.nMaxFileTitle = sizeof(filetitle)/sizeof(filetitle[0]);
   ofn.lpstrInitialDir = NULL;
   ofn.lpstrTitle = title;
-  ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY;
+  ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_ENABLESIZING;
   ofn.nFileOffset = 0;
   ofn.nFileExtension = 0;
   ofn.lpstrDefExt = NULL;