--- a/src/netxs/os/system.hpp
+++ b/src/netxs/os/system.hpp
@@ -1696,7 +1696,7 @@
#elif defined(__linux__)
auto cred = ucred{};
- #ifndef __ANDROID__
+ #ifdef __ANDROID__
socklen_t size = sizeof(cred);
#else
unsigned size = sizeof(cred);