diff --git a/g1sms/sms_ASTROPORT.sh b/g1sms/sms_ASTROPORT.sh
index 0c699c0..8b0b5db 100755
--- a/g1sms/sms_ASTROPORT.sh
+++ b/g1sms/sms_ASTROPORT.sh
@@ -36,7 +36,7 @@ echo '
 Love Land ENTRANCE CHECKING  
 
 '
-[[ ! $G1SMS == "yes" ]] && echo "I am NOT a G1SMS Node... Can't do nothing... EXIT" && exit 1
+[[ ! $(which gammu-smsd) ]] && echo "I am NOT a G1SMS Node... Can't do nothing... EXIT" && exit 1
 
 # /home/$YOU/.zen/astroport/zen/ipfs_SWARM_refresh.sh