diff --git a/libc/libc.mips.map b/libc/libc.mips.map
index 6c5ba9c..172a2ae 100644
--- a/libc/libc.mips.map
+++ b/libc/libc.mips.map
@@ -1255,6 +1255,7 @@
     catclose;
     catgets;
     catopen;
+    ctermid;
     endgrent;
     endpwent;
     futimes;