diff --git a/mod_php-5.3_debian-9_install.sh b/mod_php-5.3_debian-9_install.sh
index 0aace6d..5729bb0 100755
--- a/mod_php-5.3_debian-9_install.sh
+++ b/mod_php-5.3_debian-9_install.sh
@@ -1111,7 +1111,7 @@ fi
 
 if $_crontab_found ; then
    echononl "\tDisable crontab for user root"
-   crontab -r -u root >> ${logdir}/main.log 2>&1
+   crontab -r -u root >> ${_logdir}/main.log 2>&1
    if [ "$?" = "0" ]; then
       echo_ok
    else
diff --git a/mod_php-5.4_debian-9_install.sh b/mod_php-5.4_debian-9_install.sh
index 4223eb1..7927d03 100755
--- a/mod_php-5.4_debian-9_install.sh
+++ b/mod_php-5.4_debian-9_install.sh
@@ -1103,7 +1103,7 @@ fi
 
 if $_crontab_found ; then
    echononl "\tDisable crontab for user root"
-   crontab -r -u root >> ${logdir}/main.log 2>&1
+   crontab -r -u root >> ${_logdir}/main.log 2>&1
    if [ "$?" = "0" ]; then
       echo_ok
    else
diff --git a/mod_php_install.sh b/mod_php_install.sh
index a22a646..5f3d47f 100755
--- a/mod_php_install.sh
+++ b/mod_php_install.sh
@@ -1961,7 +1961,7 @@ fi
 
 if $_crontab_found ; then
    echononl "\tDisable crontab for user root"
-   crontab -r -u root >> ${logdir}/main.log 2>&1
+   crontab -r -u root >> ${_logdir}/main.log 2>&1
    if [ "$?" = "0" ]; then
       echo_ok
    else