1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/common.c b/src/lib/common.c
index add4ff087..3f66fa72a 100644
--- a/src/lib/common.c
+++ b/src/lib/common.c
@@ -203,6 +203,8 @@ char *pid_proc_cmdline(const pid_t pid) {
 int pid_proc_cmdline_x11_xpra_xephyr(const pid_t pid) {
         // if comm is not firejail return 0
         char *comm = pid_proc_comm(pid);
+        if (comm == NULL)
+                return 0;
         if (strcmp(comm, "firejail") != 0) {
                 free(comm);
                 return 0;