diff --git a/src/core/libraries/kernel/threads/pthread.cpp b/src/core/libraries/kernel/threads/pthread.cpp
index 7d3bd1f8c..d1de6c7d9 100644
--- a/src/core/libraries/kernel/threads/pthread.cpp
+++ b/src/core/libraries/kernel/threads/pthread.cpp
@@ -554,7 +554,7 @@ int Pthread::SetAffinity(const Cpuset* cpuset) {
         return POSIX_EINVAL;
     }
 
-#else ifdef _LINUX
+#elif defined(__linux__)
     cpu_set_t cpu_set;
     CPU_ZERO(&cpu_set);