diff --git a/CpEpEngine.cpp b/CpEpEngine.cpp
index d0f4656..a8a4bdf 100644
--- a/CpEpEngine.cpp
+++ b/CpEpEngine.cpp
@@ -625,7 +625,7 @@ STDMETHODIMP CpEpEngine::import_key(BSTR key_data)
 
     string _key_data = utf8_string(key_data);
 
-    PEP_STATUS status = ::import_key(get_session(), _key_data.c_str(), _key_data.length());
+    PEP_STATUS status = ::import_key(get_session(), _key_data.c_str(), _key_data.length(), NULL);
     assert(status != PEP_OUT_OF_MEMORY);
     if (status == PEP_OUT_OF_MEMORY)
         return E_OUTOFMEMORY;
@@ -643,7 +643,7 @@ STDMETHODIMP CpEpEngine::import_key_b(SAFEARRAY * key_data)
     if (key_data == NULL)
         return E_INVALIDARG;
 
-    ::PEP_STATUS status = ::import_key(get_session(), (const char *) key_data->pvData, key_data->rgsabound[0].cElements);
+    ::PEP_STATUS status = ::import_key(get_session(), (const char *) key_data->pvData, key_data->rgsabound[0].cElements, NULL);
     assert(status != ::PEP_OUT_OF_MEMORY);
     if (status == ::PEP_OUT_OF_MEMORY)
         return E_OUTOFMEMORY;