diff --git a/include/functions.php b/include/functions.php
index 040140bbf..663d9351b 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -804,7 +804,7 @@
 	}
 
 	function load_user_plugins($owner_uid) {
-		if ($owner_uid) {
+		if ($owner_uid && SCHEMA_VERSION >= 100) {
 			$plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 
 			PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);