diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30e8220a..1bd70115 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -568,6 +568,7 @@ CHECK_FUNCTION_EXISTS(gmtime_s VMIME_HAVE_GMTIME_S)
 CHECK_FUNCTION_EXISTS(gmtime_r VMIME_HAVE_GMTIME_R)
 CHECK_FUNCTION_EXISTS(localtime_s VMIME_HAVE_LOCALTIME_S)
 CHECK_FUNCTION_EXISTS(localtime_r VMIME_HAVE_LOCALTIME_R)
+CHECK_FUNCTION_EXISTS(strcpy_s VMIME_HAVE_STRCPY_S)
 
 
 ##############################################################################
diff --git a/src/platforms/windows/windowsHandler.cpp b/src/platforms/windows/windowsHandler.cpp
index b188af64..99b52cdf 100644
--- a/src/platforms/windows/windowsHandler.cpp
+++ b/src/platforms/windows/windowsHandler.cpp
@@ -224,7 +224,13 @@ const vmime::string windowsHandler::getHostName() const
 		return hostname;
 
 	if (::strlen(hostname) == 0)
+	{
+#if VMIME_HAVE_STRCPY_S
 		::strcpy_s(hostname, "localhost");
+#else
+		::strcpy(hostname, "localhost");
+#endif // VMIME_HAVE_STRCPY_S
+	}
 
 	// Try to get canonical name for the hostname
 	struct addrinfo hints;