diff --git a/libcxx/include/__threading_support b/libcxx/include/__threading_support
--- a/libcxx/include/__threading_support
+++ b/libcxx/include/__threading_support
@@ -457,7 +457,7 @@
 #elif defined(_OPEN_THREADS)
   return pthread_getspecific_d8_np(__key);
 #else
-#error pthread_getspecific function is not available
+  #error pthread_getspecific function is not available
 #endif
 }