diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index 5e8fcb1..5b96c2f 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -120,6 +120,7 @@
     __pselect6; # arm x86 mips
     __pthread_cleanup_pop;
     __pthread_cleanup_push;
+    __pthread_gettid; # arm x86 mips nobrillo
     __ptrace; # arm x86 mips
     __putlong;
     __putshort;