diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 0a232d6..2c299fa 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -47,6 +47,7 @@
         "-DATRACE_TAG=ATRACE_TAG_VIEW",
         "-DLOG_TAG=\"OpenGLRenderer\"",
         "-Wall",
+        "-Wthread-safety",
         "-Wno-unused-parameter",
         "-Wunreachable-code",
         "-Werror",