diff --git a/integer.cpp b/integer.cpp
index 6e9f7e30..2ee9d80f 100644
--- a/integer.cpp
+++ b/integer.cpp
@@ -3009,7 +3009,7 @@ Integer::Integer(const byte *encodedInteger, size_t byteCount, Signedness s, Byt
 	if (o == LITTLE_ENDIAN_ORDER)
 	{
 		SecByteBlock block(byteCount);
-#if (CRYPTOPP_MSC_VERSION >= 1400)
+#if (CRYPTOPP_MSC_VERSION >= 1410)
 		std::reverse_copy(encodedInteger, encodedInteger+byteCount,
 			stdext::make_checked_array_iterator(block.begin(), block.size()));
 #else
diff --git a/validat1.cpp b/validat1.cpp
index e4e7c456..9844776e 100644
--- a/validat1.cpp
+++ b/validat1.cpp
@@ -194,7 +194,7 @@ bool TestSettings()
 	word32 w;
 	const byte s[] = "\x01\x02\x03\x04";
 
-#if (CRYPTOPP_MSC_VERSION >= 1400)
+#if (CRYPTOPP_MSC_VERSION >= 1410)
 	std::copy(s, s+4,
 		stdext::make_checked_array_iterator(reinterpret_cast<byte*>(&w), sizeof(w)));
 #else