diff --git a/libc/include/android/dlext.h b/libc/include/android/dlext.h
index d5ec386..76d19ae 100644
--- a/libc/include/android/dlext.h
+++ b/libc/include/android/dlext.h
@@ -194,6 +194,8 @@
                                                             uint64_t type,
                                                             const char* permitted_when_isolated_path);
 
+const char* android_dlwarning();
+
 __END_DECLS
 
 #endif /* __ANDROID_DLEXT_H__ */