Index: Foundation/src/Environment_VX.cpp
--- Foundation/src/Environment_VX.cpp.orig
+++ Foundation/src/Environment_VX.cpp
@@ -130,6 +130,8 @@ std::string EnvironmentImpl::osArchitectureImpl()
 	return "ppc";
 #elif POCO_ARCH == POCO_ARCH_ARM
 	return "arm";
+#elif POCO_ARCH == POCO_ARCH_AARCH64
+	return "aarch64";
 #elif POCO_ARCH == POCO_ARCH_SH
 	return "sh";
 #else