diff --git a/inc/inc.ClassExtensionMgr.php b/inc/inc.ClassExtensionMgr.php
index e2dcd2c3e..0b08ea908 100644
--- a/inc/inc.ClassExtensionMgr.php
+++ b/inc/inc.ClassExtensionMgr.php
@@ -368,14 +368,27 @@ class SeedDMS_Extension_Mgr {
 					switch($dkey) {
 					case 'seeddms':
 						$version = new SeedDMS_Version;
-						$tmp = explode('-', $dval, 2);
-						if(self::cmpVersion($tmp[0], $version->version()) > 0 || ($tmp[1] && self::cmpVersion($tmp[1], $version->version()) < 0))
-							$this->errmsgs[] = sprintf("Incorrect SeedDMS version (needs version %s)", $extconf['constraints']['depends']['seeddms']);
+						if(is_array($dval)) {
+							$fullfill = false;
+							foreach($dval as $ddval) {
+								$tmp = explode('-', $ddval, 2);
+								if(self::cmpVersion($tmp[0], $version->version()) > 0 || ($tmp[1] && self::cmpVersion($tmp[1], $version->version()) < 0))
+									; // No within version range
+								else
+									$fullfill = true;
+							}
+							if(!$fullfill)
+								$this->errmsgs[] = sprintf("Incorrect SeedDMS version (needs version \"%s\")", implode('" or "', $dval));
+						} elseif(is_string($dval)) {
+							$tmp = explode('-', $dval, 2);
+							if(self::cmpVersion($tmp[0], $version->version()) > 0 || ($tmp[1] && self::cmpVersion($tmp[1], $version->version()) < 0))
+								$this->errmsgs[] = sprintf("Incorrect SeedDMS version (needs version %s)", $extconf['constraints']['depends']['seeddms']);
+						}
 						break;
 					case 'php':
 						$tmp = explode('-', $dval, 2);
 						if(self::cmpVersion($tmp[0], phpversion()) > 0 || ($tmp[1] && self::cmpVersion($tmp[1], phpversion()) < 0))
-							$this->errmsgs[] = sprintf("Incorrect PHP version (needs version %s)", $extconf['constraints']['depends']['php']);
+							$this->errmsgs[] = sprintf("Incorrect PHP version (needs version %s)", $dval);
 						break;
 					case 'phpext':
 						if(is_array($dval) && $dval) {