diff --git a/lib/libc/glibc/posix/bits/types.h b/lib/libc/glibc/posix/bits/types.h
index 34e001ad68..905a7e6b22 100644
--- a/lib/libc/glibc/posix/bits/types.h
+++ b/lib/libc/glibc/posix/bits/types.h
@@ -217,7 +217,7 @@ typedef int __sig_atomic_t;
 /* Seconds since the Epoch, visible to user code when time_t is too
    narrow only for consistency with the old way of widening too-narrow
    types.  User code should never use __time64_t.  */
-#if __TIMESIZE == 64 && defined __LIBC
+#if __TIMESIZE == 64
 # define __time64_t __time_t
 #elif __TIMESIZE != 64
 __STD_TYPE __TIME64_T_TYPE __time64_t;