diff --git a/hdc_rust/src/cffi/cmd.cpp b/hdc_rust/src/cffi/cmd.cpp
index 48c299574576005c88fdf2540e63b4899523d346..4fcf5ee79b6c9556a919817209870baaf3693c98 100644
--- a/hdc_rust/src/cffi/cmd.cpp
+++ b/hdc_rust/src/cffi/cmd.cpp
@@ -36,7 +36,7 @@ static bool DropRootPrivileges()
 {
     int ret;
     const char *userName = "shell";
-    vector<const char *> groupsNames = { "shell", "log", "readproc", "file_manager" };
+    vector<const char *> groupsNames = { "shell", "log", "readproc", "file_manager", "user_data_rw" };
     struct passwd *user;
     gid_t *gids = nullptr;
 
diff --git a/src/daemon/etc/hdcd.cfg b/src/daemon/etc/hdcd.cfg
index d98bc48efc26fc488026469fab2fb920cf84d46c..2bc63dce77b64fe4effffe2fd1c8dce4923ad2f4 100644
--- a/src/daemon/etc/hdcd.cfg
+++ b/src/daemon/etc/hdcd.cfg
@@ -75,7 +75,7 @@
             "name" : "hdcd",
             "path" : ["/system/bin/hdcd"],
             "uid" : "shell",
-            "gid" : [ "shell", "log", "readproc", "file_manager", "netsys_socket" ],
+            "gid" : [ "shell", "log", "readproc", "file_manager", "user_data_rw", "netsys_socket" ],
             "socket" : [{
                 "name" : "hdcd",
                 "family" : "AF_UNIX",
diff --git a/src/daemon/etc/hdcd.root.cfg b/src/daemon/etc/hdcd.root.cfg
index 66a429a25e76c48b2affb3abfcc20f770df8410c..19fcd056fe53d3db787c23d8d7459ce71193c332 100644
--- a/src/daemon/etc/hdcd.root.cfg
+++ b/src/daemon/etc/hdcd.root.cfg
@@ -89,7 +89,7 @@
             "name" : "hdcd",
             "path" : ["/system/bin/hdcd"],
             "uid" : "root",
-            "gid" : [ "root", "shell", "log", "readproc", "file_manager" ],
+            "gid" : [ "root", "shell", "log", "readproc", "file_manager", "user_data_rw" ],
             "setuid" : true,
             "socket" : [{
                 "name" : "hdcd",
diff --git a/src/daemon/main.cpp b/src/daemon/main.cpp
index 031d5ef65e397711568fb07e692dac8450667fbc..3cbe9b67ff54bebd6f0f57bbff8da51bc6740d58 100644
--- a/src/daemon/main.cpp
+++ b/src/daemon/main.cpp
@@ -209,7 +209,7 @@ bool DropRootPrivileges()
 {
     int ret;
     const char *userName = "shell";
-    vector<const char *> groupsNames = { "shell", "log", "readproc", "file_manager" };
+    vector<const char *> groupsNames = { "shell", "log", "readproc", "file_manager", "user_data_rw" };
     struct passwd *user;
     gid_t *gids = nullptr;