diff --git a/bin/dumpschema.php b/bin/dumpschema.php
index cbadb00f6..9557c4b15 100644
--- a/bin/dumpschema.php
+++ b/bin/dumpschema.php
@@ -1,6 +1,6 @@
+#!/usr/bin/env php
 <?php
 /*
- #!/usr/bin/php
 
  +-----------------------------------------------------------------------+
  | bin/dumpschema.php                                                    |
@@ -20,6 +20,10 @@
 
 */
 
+if (php_sapi_name() != 'cli') {
+    die('Not on the "shell" (php-cli).');
+}
+
 define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
 require INSTALL_PATH.'program/include/iniset.php';
 
diff --git a/bin/msgexport.sh b/bin/msgexport.sh
index b15da1feb..7dd56e9ea 100755
--- a/bin/msgexport.sh
+++ b/bin/msgexport.sh
@@ -1,5 +1,8 @@
-#!/usr/bin/php
+#!/usr/bin/env php
 <?php
+if (php_sapi_name() != 'cli') {
+    die('Not on the "shell" (php-cli).');
+}
 
 define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
 ini_set('memory_limit', -1);
@@ -169,4 +172,4 @@ else
 	vputs("IMAP login failed.\n");
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/bin/msgimport.sh b/bin/msgimport.sh
index fa5678cec..a5161e026 100755
--- a/bin/msgimport.sh
+++ b/bin/msgimport.sh
@@ -1,5 +1,8 @@
-#!/usr/bin/php
+#!/usr/bin/env php
 <?php
+if (php_sapi_name() != 'cli') {
+    die('Not on the "shell" (php-cli).');
+}
 
 define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
 ini_set('memory_limit', -1);
@@ -146,4 +149,4 @@ else
 	print "IMAP login failed.\n";
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/bin/update.sh b/bin/update.sh
index a9a917c8c..c93d92dec 100755
--- a/bin/update.sh
+++ b/bin/update.sh
@@ -1,6 +1,8 @@
-#!/usr/bin/php
+#!/usr/bin/env php
 <?php
-
+if (php_sapi_name() != 'cli') {
+    die('Not on the "shell" (php-cli).');
+}
 define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
 
 require_once INSTALL_PATH . 'program/include/iniset.php';
@@ -112,4 +114,4 @@ else {
 
 echo "\n";
 
-?>
\ No newline at end of file
+?>