diff --git a/src/core/Tools.cpp b/src/core/Tools.cpp
index 0cbe2b4fb..7495952f7 100644
--- a/src/core/Tools.cpp
+++ b/src/core/Tools.cpp
@@ -270,6 +270,7 @@ namespace Tools
     bool checkUrlValid(const QString& urlField)
     {
         if (urlField.isEmpty() || urlField.startsWith("cmd://", Qt::CaseInsensitive)
+            || urlField.startsWith("kdbx://", Qt::CaseInsensitive)
             || urlField.startsWith("{REF:A", Qt::CaseInsensitive)) {
             return true;
         }