1 files changed, 5 insertions, 0 deletions

diff --git a/src/firejail/profile.c b/src/firejail/profile.c
index 7303d30f8..40f3c3be7 100644
--- a/src/firejail/profile.c
+++ b/src/firejail/profile.c
@@ -147,6 +147,10 @@ static int check_nodbus(void) {
         return arg_nodbus != 0;
 }
 
+static int check_x11(void) {
+        return (arg_x11_block || getenv("FIREJAIL_X11"));
+}
+
 static int check_disable_u2f(void) {
         return checkcfg(CFG_BROWSER_DISABLE_U2F) != 0;
 }
@@ -158,6 +162,7 @@ static int check_allow_drm(void) {
 Cond conditionals[] = {
         {"HAS_APPIMAGE", check_appimage},
         {"HAS_NODBUS", check_nodbus},
+        {"HAS_X11", check_x11},
         {"BROWSER_DISABLE_U2F", check_disable_u2f},
         {"BROWSER_ALLOW_DRM", check_allow_drm},
         { NULL, NULL }