diff --git a/install/dist/lib/fedora.lib.php b/install/dist/lib/fedora.lib.php
index d56af3fc8b799904d278b182969e5155562aafaa..3cb35f92cb0e2bb606ac947c7da5305792b4bdf4 100644
--- a/install/dist/lib/fedora.lib.php
+++ b/install/dist/lib/fedora.lib.php
@@ -825,7 +825,7 @@ class installer_dist extends installer_base {
             );
 		
 			// remove existing ispconfig cronjobs, in case the syntax has changed
-			foreach($cron_jobs as $key => $val) {
+			foreach($existing_cron_jobs as $key => $val) {
 				if(stristr($val,'getmail')) unset($existing_cron_jobs[$key]);
 			}
 		
diff --git a/install/dist/lib/opensuse.lib.php b/install/dist/lib/opensuse.lib.php
index c5f80abe4495966b639324c007ad35e740953145..b55b9045a02f7ebd45cceaa7134d8447d9617815 100644
--- a/install/dist/lib/opensuse.lib.php
+++ b/install/dist/lib/opensuse.lib.php
@@ -843,7 +843,7 @@ class installer_dist extends installer_base {
             );
 		
 			// remove existing ispconfig cronjobs, in case the syntax has changed
-			foreach($cron_jobs as $key => $val) {
+			foreach($existing_cron_jobs as $key => $val) {
 				if(stristr($val,'getmail')) unset($existing_cron_jobs[$key]);
 			}
 		
diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index 93283fc1209ecdabdb79bc5151b5b6a08995b63b..ac9876d3084d24b74207656ffe706a331af2e0b3 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -1110,7 +1110,7 @@ class installer_base {
             );
 		
 			// remove existing ispconfig cronjobs, in case the syntax has changed
-			foreach($cron_jobs as $key => $val) {
+			foreach($existing_cron_jobs as $key => $val) {
 				if(stristr($val,'getmail')) unset($existing_cron_jobs[$key]);
 			}