diff --git a/inc/inc.ClassExtensionMgr.php b/inc/inc.ClassExtensionMgr.php
index fa5cb7c70..146ae72cb 100644
--- a/inc/inc.ClassExtensionMgr.php
+++ b/inc/inc.ClassExtensionMgr.php
@@ -260,14 +260,14 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 			unlink ($destination);
 		}
 
-		$zip = new ZipArchive();
-		if (!$zip->open($destination, ZIPARCHIVE::CREATE)) {
+		$zip = new \ZipArchive();
+		if (!$zip->open($destination, \ZipArchive::CREATE)) {
 			return false;
 		}
 		$source = str_replace('\\', '/', realpath($source));
 
 		if (is_dir($source) === true) {
-			$files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);
+			$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($source), \RecursiveIteratorIterator::SELF_FIRST);
 
 			if ($include_dir) {
 				$arr = explode("/",$source);
@@ -328,7 +328,7 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 			$tmpfile = $this->cachedir."/".$extname."-".$version.".zip";
 		}
 
-		if(!SeedDMS_Extension_Mgr::Zip($this->extdir."/".$extname, $tmpfile)) {
+		if(!ExtensionMgr::Zip($this->extdir."/".$extname, $tmpfile)) {
 			return false;
 		}
 //		$cmd = "cd ".$this->extdir."/".$extname."; zip -r ".$tmpfile." .";
@@ -525,7 +525,7 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 			$this->errmsgs[] = "Cannot create temp. extension directory";
 			return false;
 		}
-		$zip = new ZipArchive;
+		$zip = new \ZipArchive;
 		$res = $zip->open($file);
 		if ($res === TRUE) {
 			$zip->extractTo($newdir);
@@ -590,7 +590,7 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 	 * single lines. Each line is either a comment if it starts with an '#'
 	 * or a json encoded array containing the extension configuration.
 	 *
-	 * Run SeedDMS_Extension_Mgr::updateExtensionList() to ensure the
+	 * Run Seeddms\Seeddms\ExtensionMgr::updateExtensionList() to ensure the
 	 * currently cached extension list file is up to date.
 	 *
 	 * @return string[] list of json strings or comments
@@ -610,7 +610,7 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 	 * a list of extension configurations. Only the most recent version
 	 * of an extension will be included.
 	 *
-	 * Run SeedDMS_Extension_Mgr::updateExtensionList() to ensure the
+	 * Run Seeddms\Seeddms\ExtensionMgr::updateExtensionList() to ensure the
 	 * currently cached extension list file is up to date.
 	 *
 	 * @return array[] list of extension configurations
@@ -641,7 +641,7 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 	 * a list of extension configurations. Only those extensions will
 	 * be included which maches the given name.
 	 *
-	 * Run SeedDMS_Extension_Mgr::updateExtensionList() to ensure the
+	 * Run Seeddms\Seeddms\ExtensionMgr::updateExtensionList() to ensure the
 	 * currently cached extension list file is up to date.
 	 *
 	 * @return array[] list of extension configurations
@@ -657,7 +657,7 @@ $EXT_CONF = '.var_export($EXT_CONF, true).';');
 				}
 			}
 		}
-		uksort($result, function($a, $b){return SeedDMS_Extension_Mgr::cmpVersion($b, $a);});
+		uksort($result, function($a, $b){return ExtensionMgr::cmpVersion($b, $a);});
 		return $result;
 	} /* }}} */