diff --git a/saco/archive/CryptoContext.cpp b/saco/archive/CryptoContext.cpp
index a94c622..75afbd0 100644
--- a/saco/archive/CryptoContext.cpp
+++ b/saco/archive/CryptoContext.cpp
@@ -8,6 +8,7 @@ DWORD CCryptoContext::ms_dwRefCount = 0;
 DWORD CCryptoContext::ms_dwProviderType = PROV_RSA_FULL;
 LPTSTR CCryptoContext::ms_szProviderName = NULL;
 LPTSTR CCryptoContext::ms_szContainerName = (LPTSTR)"SAMP";
+HMODULE CCryptoContext::ms_hAdvApi32 = NULL;
 
 //------------------------------------
 
diff --git a/saco/archive/CryptoContext.h b/saco/archive/CryptoContext.h
index 0075632..d9c950d 100644
--- a/saco/archive/CryptoContext.h
+++ b/saco/archive/CryptoContext.h
@@ -11,6 +11,8 @@ private:
 	static LPTSTR ms_szProviderName;
 	static LPTSTR ms_szContainerName;
 
+	static HMODULE ms_hAdvApi32;
+
 	HCRYPTPROV m_hCryptProv;
 
 public: