diff --git a/libs/binder/OS.h b/libs/binder/OS.h
index 5703eb7..04869a1 100644
--- a/libs/binder/OS.h
+++ b/libs/binder/OS.h
@@ -26,6 +26,7 @@
 
 LIBBINDER_EXPORTED void trace_begin(uint64_t tag, const char* name);
 LIBBINDER_EXPORTED void trace_end(uint64_t tag);
+LIBBINDER_EXPORTED void trace_int(uint64_t tag, const char* name, int32_t value);
 
 status_t setNonBlocking(borrowed_fd fd);