diff --git a/src/node/APTRepositories.js b/src/node/APTRepositories.js
index 3876825..9a4418a 100644
--- a/src/node/APTRepositories.js
+++ b/src/node/APTRepositories.js
@@ -74,7 +74,7 @@ Ext.define('Proxmox.window.APTRepositoryAdd', {
 		    return false;
 		}
 
-		if (!info.status) {
+		if (info.status) {
 		    return Ext.String.format(gettext('{0} is already configured'), renderedValue);
 		}
 		return valid;