diff --git a/libc/libc.mips.map b/libc/libc.mips.map
index 6ee9cf5..e514aa1 100644
--- a/libc/libc.mips.map
+++ b/libc/libc.mips.map
@@ -1263,6 +1263,7 @@
     getpwent;
     getsubopt;
     hasmntopt;
+    mblen;
     pthread_getname_np;
     quotactl;
     setdomainname;