diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index a802aa1..27b9743 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1308,6 +1308,13 @@
     endnetent;
     endprotoent;
     fexecve;
+    fflush_unlocked;
+    fgetc_unlocked;
+    fgets_unlocked;
+    fputc_unlocked;
+    fputs_unlocked;
+    fread_unlocked;
+    fwrite_unlocked;
     getentropy;
     getnetent;
     getprotoent;