diff --git a/dll/shellext/zipfldr/CZipExtract.cpp b/dll/shellext/zipfldr/CZipExtract.cpp
index f9dd21d9b0e..1ccba19b226 100644
--- a/dll/shellext/zipfldr/CZipExtract.cpp
+++ b/dll/shellext/zipfldr/CZipExtract.cpp
@@ -293,7 +293,7 @@ public:
         {
             SetWizardButtons(PSWIZB_FINISH);
             CStringW Path = m_pExtract->m_Directory;
-            PWSTR Ptr = Path.GetBuffer();
+            PWSTR Ptr = Path.GetBuffer(MAX_PATH);
             RECT rc;
             ::GetWindowRect(GetDlgItem(IDC_DESTDIR), &rc);
             HDC dc = GetDC();