diff --git a/init.hardware.rc b/init.hardware.rc
index 630e0152..45c4c143 100644
--- a/init.hardware.rc
+++ b/init.hardware.rc
@@ -506,7 +506,7 @@ service perfd /vendor/bin/perfd
 service thermal-engine /vendor/bin/thermal-engine -c ${sys.qcom.thermalcfg:-/vendor/etc/thermal-engine.conf}
    class main
    user root
-   group root system
+   group root system diag
    socket thermal-send-client stream 0666 system system
    socket thermal-recv-client stream 0660 system system
    socket thermal-recv-passive-client stream 0666 system system