diff --git a/libs/binder/trusty/OS.cpp b/libs/binder/trusty/OS.cpp
index 09db326..157ab3c 100644
--- a/libs/binder/trusty/OS.cpp
+++ b/libs/binder/trusty/OS.cpp
@@ -40,6 +40,8 @@
 
 void trace_end(uint64_t) {}
 
+void trace_int(uint64_t, const char*, int32_t) {}
+
 uint64_t GetThreadId() {
     return 0;
 }