diff --git a/eccrypto.cpp b/eccrypto.cpp
index 6c384597..92106052 100644
--- a/eccrypto.cpp
+++ b/eccrypto.cpp
@@ -6,7 +6,7 @@
 
 #if CRYPTOPP_MSC_VERSION
 # pragma warning(push)
-# pragma warning(disable: 4127 4189)
+# pragma warning(disable: 4127 4189 4505)
 #endif
 
 #if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE