1 files changed, 2 insertions, 0 deletions

diff --git a/src/firejail/join.c b/src/firejail/join.c
index 251260091..98e140ce4 100644
--- a/src/firejail/join.c
+++ b/src/firejail/join.c
@@ -201,7 +201,9 @@ void join(pid_t pid, int argc, char **argv, int index) {
         extract_command(argc, argv, index);
 
         // if the pid is that of a firejail  process, use the pid of the first child process
+        EUID_ROOT();
         char *comm = pid_proc_comm(pid);
+        EUID_USER();
         if (comm) {
                 if (strcmp(comm, "firejail") == 0) {
                         pid_t child;