1 files changed, 4 insertions, 0 deletions

diff --git a/src/firejail/profile.c b/src/firejail/profile.c
index 7ff7c7926..a2336090f 100644
--- a/src/firejail/profile.c
+++ b/src/firejail/profile.c
@@ -580,6 +580,10 @@ int profile_check_line(char *ptr, int lineno, const char *fname) {
 
         // private /etc list of files and directories
         if (strncmp(ptr, "private-etc ", 12) == 0) {
+                if (arg_writable_etc) {
+                        fprintf(stderr, "Error: --private-etc and --writable-etc are mutually exclusive\n");
+                        exit(1);
+                }
                 cfg.etc_private_keep = ptr + 12;
                 fs_check_etc_list();
                 if (*cfg.etc_private_keep != '\0')