diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 96a77a7..d5b8619 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -154,7 +154,7 @@
  *
  * Returns the number of samples written to `__averages` (at most 3), and returns -1 on failure.
  */
-int getloadavg(double __averages[], int __n) __INTRODUCED_IN_FUTURE;
+int getloadavg(double __averages[], int __n) __INTRODUCED_IN(29);
 
 /* BSD compatibility. */
 const char* getprogname(void) __INTRODUCED_IN(21);