diff --git a/usr/local/www/pkg_edit.php b/usr/local/www/pkg_edit.php
index fb269c3735..0c66c8c6e0 100755
--- a/usr/local/www/pkg_edit.php
+++ b/usr/local/www/pkg_edit.php
@@ -40,8 +40,8 @@
 
 */
 
-require("guiconfig.inc");
-require("xmlparse_pkg.inc");
+require_once("guiconfig.inc");
+require_once("xmlparse_pkg.inc");
 require_once("pkg-utils.inc");
 
 $pfSense_config = $config; // copy this since we will be parsing
diff --git a/usr/local/www/pkg_mgr.php b/usr/local/www/pkg_mgr.php
index 78de50698e..d28755746b 100755
--- a/usr/local/www/pkg_mgr.php
+++ b/usr/local/www/pkg_mgr.php
@@ -28,7 +28,7 @@
     POSSIBILITY OF SUCH DAMAGE.
 */
 
-require("guiconfig.inc");
+require_once("guiconfig.inc");
 require_once("pkg-utils.inc");
 
 if ($_POST) {
diff --git a/usr/local/www/pkg_mgr_install.php b/usr/local/www/pkg_mgr_install.php
index 67dc1a27a6..daf7a4f6b6 100755
--- a/usr/local/www/pkg_mgr_install.php
+++ b/usr/local/www/pkg_mgr_install.php
@@ -29,8 +29,9 @@
     POSSIBILITY OF SUCH DAMAGE.
 */
 
-require("guiconfig.inc");
-require("pkg-utils.inc");
+require_once("guiconfig.inc");
+require_once("xmlparse_pkg.inc");
+require_once("pkg-utils.inc");
 
 $static_output = "";
 $static_status = "";
diff --git a/usr/local/www/pkg_mgr_installed.php b/usr/local/www/pkg_mgr_installed.php
index 9f874814c5..5de48f454d 100755
--- a/usr/local/www/pkg_mgr_installed.php
+++ b/usr/local/www/pkg_mgr_installed.php
@@ -28,8 +28,7 @@
     POSSIBILITY OF SUCH DAMAGE.
 */
 
-require("guiconfig.inc");
-require("pkg-utils.inc");
+require_once("guiconfig.inc");
 require_once("pkg-utils.inc");
 
 foreach($config['installedpackages']['package'] as $instpkg) {