diff --git a/importexport/inc/class.importexport_definition.inc.php b/importexport/inc/class.importexport_definition.inc.php
index 37f4b75310..5f61efbfe5 100644
--- a/importexport/inc/class.importexport_definition.inc.php
+++ b/importexport/inc/class.importexport_definition.inc.php
@@ -179,6 +179,13 @@ class importexport_definition implements importexport_iface_egw_record {
 	 * @param array $options
 	 */
 	private function set_options(array $_plugin_options) {
+		// Check conditions
+		foreach ( $_plugin_options['conditions'] as $key => $condition ) {
+			if(!$condition['string'])
+			{
+				unset($_plugin_options['conditions'][$key]);
+			}
+		}
 		$this->definition['plugin_options'] = $_plugin_options;
 	}