diff --git a/ipacm/src/ipacm.rc b/ipacm/src/ipacm.rc
index ec20898..d9dccb6 100644
--- a/ipacm/src/ipacm.rc
+++ b/ipacm/src/ipacm.rc
@@ -34,6 +34,10 @@
     start vendor.ipacm
 
 on post-fs-data
+    #create ipacm-diag log dir
+    mkdir /data/vendor/ipa 0770 radio radio
+    chmod 0770 /data/vendor/ipa
+
     #create prebuilt filter cfg xml file
     copy /vendor/etc/IPACM_Filter_cfg.xml /data/vendor/ipa/IPACM_Filter_cfg.xml
     chown radio radio /data/vendor/ipa/IPACM_Filter_cfg.xml