diff --git a/seqs/snmp.sh b/seqs/snmp.sh
index 838a94e..e596381 100755
--- a/seqs/snmp.sh
+++ b/seqs/snmp.sh
@@ -192,7 +192,7 @@ step_25() {
   esac
 }
 # TODO error when no php is installed
-phpVersionStr="$(php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;')"
+phpVersionStr="$(command -v php >>/dev/null && php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;')"
 phpFpmStatusNginx="# Provide php-fpm status
 location ~ ^/(status|ping)\$ {
 access_log off;