diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index c27f884..8d67b9e 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1480,6 +1480,7 @@
     android_getaddrinfofornet; # apex
 
     # Used by libandroid_runtime
+    android_mallopt; # apex
     gMallocLeakZygoteChild; # apex
 } LIBC_P;